diff --git a/lib/bigquery/dataset.js b/lib/bigquery/dataset.js
index 9eef048dbbf..f6d2f936833 100644
--- a/lib/bigquery/dataset.js
+++ b/lib/bigquery/dataset.js
@@ -73,7 +73,7 @@ function Dataset(bigQuery, id) {
  *   schema: 'UNITID,INSTNM,ADDR,CITY,STABBR,ZIP,FIPS,OBEREG,CHFNM,...'
  * };
  *
- * dataset.createTable(tableConfig, function(err, table) {});
+ * dataset.createTable(tableConfig, function(err, table, apiResponse) {});
  */
 Dataset.prototype.createTable = function(options, callback) {
   var that = this;
@@ -94,14 +94,14 @@ Dataset.prototype.createTable = function(options, callback) {
 
   this.makeReq_('POST', '/tables', null, options, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var table = that.table(resp.tableReference.tableId);
     table.metadata = resp;
 
-    callback(null, table);
+    callback(null, table, resp);
   });
 };
 
@@ -117,12 +117,12 @@ Dataset.prototype.createTable = function(options, callback) {
  * //-
  * // Delete the dataset, only if it does not have any tables.
  * //-
- * dataset.delete(function(err) {});
+ * dataset.delete(function(err, apiResponse) {});
  *
  * //-
  * // Delete the dataset and any tables it contains.
  * //-
- * dataset.delete({ force: true }, function(err) {});
+ * dataset.delete({ force: true }, function(err, apiResponse) {});
  */
 Dataset.prototype.delete = function(options, callback) {
   if (!callback) {
@@ -143,19 +143,19 @@ Dataset.prototype.delete = function(options, callback) {
  * @param {function} callback - The callback function.
  *
  * @example
- * dataset.getMetadata(function(err, metadata) {});
+ * dataset.getMetadata(function(err, metadata, apiResponse) {});
  */
 Dataset.prototype.getMetadata = function(callback) {
   var that = this;
   this.makeReq_('GET', '', null, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
@@ -169,7 +169,7 @@ Dataset.prototype.getMetadata = function(callback) {
  * @param {function} callback - The callback function.
  *
  * @example
- * dataset.getTables(function(err, tables, nextQuery) {
+ * dataset.getTables(function(err, tables, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there are more results to fetch.
  * });
  */
@@ -185,7 +185,7 @@ Dataset.prototype.getTables = function(query, callback) {
 
   this.makeReq_('GET', '/tables', query, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
 
@@ -203,7 +203,7 @@ Dataset.prototype.getTables = function(query, callback) {
       return table;
     });
 
-    callback(null, tables, nextQuery);
+    callback(null, tables, nextQuery, resp);
   });
 };
 
@@ -239,20 +239,20 @@ Dataset.prototype.query = function(options, callback) {
  *   description: 'Information for every institution in the 2013 IPEDS universe'
  * };
  *
- * dataset.setMetadata(metadata, function(err) {});
+ * dataset.setMetadata(metadata, function(err, apiResponse) {});
  */
 Dataset.prototype.setMetadata = function(metadata, callback) {
   var that = this;
 
   this.makeReq_('PATCH', '', null, metadata, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
diff --git a/lib/bigquery/index.js b/lib/bigquery/index.js
index 3ffa2c9cf9d..515a44afa56 100644
--- a/lib/bigquery/index.js
+++ b/lib/bigquery/index.js
@@ -72,6 +72,8 @@ var SCOPES = ['https://www.googleapis.com/auth/bigquery'];
  * @alias module:bigquery
  * @constructor
  *
+ * @param {object=} options - Configuration object.
+ *
  * @example
  * var gcloud = require('gcloud');
  *
@@ -125,7 +127,7 @@ function BigQuery(options) {
  * @param {function} callback  - The callback function.
  *
  * @example
- * bigquery.createDataset('higher_education', function(err, dataset) {});
+ * bigquery.createDataset('my-dataset', function(err, dataset, apiResponse) {});
  */
 BigQuery.prototype.createDataset = function(id, callback) {
   var that = this;
@@ -138,14 +140,14 @@ BigQuery.prototype.createDataset = function(id, callback) {
 
   this.makeReq_('POST', '/datasets', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var dataset = that.dataset(id);
     dataset.metadata = resp;
 
-    callback(null, dataset);
+    callback(null, dataset, resp);
   });
 };
 
@@ -173,7 +175,7 @@ BigQuery.prototype.dataset = function(id) {
  * @param {function} callback - The callback function.
  *
  * @example
- * bigquery.getDatasets(function(err, datasets, nextQuery) {
+ * bigquery.getDatasets(function(err, datasets, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there are more results to fetch.
  * });
  */
@@ -189,7 +191,7 @@ BigQuery.prototype.getDatasets = function(query, callback) {
 
   this.makeReq_('GET', '/datasets', query, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
 
@@ -207,7 +209,7 @@ BigQuery.prototype.getDatasets = function(query, callback) {
       return ds;
     });
 
-    callback(null, datasets, nextQuery);
+    callback(null, datasets, nextQuery, resp);
   });
 };
 
@@ -228,7 +230,7 @@ BigQuery.prototype.getDatasets = function(query, callback) {
  * @param {function} callback - The callback function.
  *
  * @example
- * bigquery.getJobs(function(err, jobs, nextQuery) {
+ * bigquery.getJobs(function(err, jobs, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there are more results to fetch.
  * });
  */
@@ -244,7 +246,7 @@ BigQuery.prototype.getJobs = function(options, callback) {
 
   this.makeReq_('GET', '/jobs', options, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
 
@@ -262,7 +264,7 @@ BigQuery.prototype.getJobs = function(options, callback) {
       return job;
     });
 
-    callback(null, jobs, nextQuery);
+    callback(null, jobs, nextQuery, resp);
   });
 };
 
@@ -336,9 +338,12 @@ BigQuery.prototype.job = function(id) {
  * //-
  * // You can run a query against your data in a serial manner.
  * //-
- * bigquery.query(query, function(err, rows, nextQuery) {
+ * bigquery.query(query, function(err, rows, nextQuery, apiResponse) {
+ *   // Handle results here.
  *   if (nextQuery) {
- *     bigquery.query(nextQuery, function(err, rows, nextQuery) {});
+ *     bigquery.query(nextQuery, function(err, rows, nextQuery, apiResponse) {
+ *       // Handle more results here.
+ *     });
  *   }
  * });
  *
@@ -387,7 +392,7 @@ BigQuery.prototype.query = function(options, callback) {
 
     function responseHandler(err, resp) {
       if (err) {
-        onComplete(err);
+        onComplete(err, null, null, resp);
         return;
       }
 
@@ -409,16 +414,16 @@ BigQuery.prototype.query = function(options, callback) {
         });
       }
 
-      onComplete(null, rows, nextQuery);
+      onComplete(null, rows, nextQuery, resp);
     }
 
-    function onComplete(err, rows, nextQuery) {
+    function onComplete(err, rows, nextQuery, resp) {
       if (err) {
         if (stream) {
           stream.emit('error', err);
           stream.end();
         } else {
-          callback(err);
+          callback(err, null, null, resp);
         }
         return;
       }
@@ -434,7 +439,7 @@ BigQuery.prototype.query = function(options, callback) {
           stream.end();
         }
       } else {
-        callback(null, rows, nextQuery);
+        callback(null, rows, nextQuery, resp);
       }
     }
   }
@@ -484,7 +489,7 @@ BigQuery.prototype.query = function(options, callback) {
  * //-
  * bigquery.startQuery(query, function(err, job) {
  *   if (!err) {
- *     job.getQueryResults(function(err, rows) {});
+ *     job.getQueryResults(function(err, rows, apiResponse) {});
  *   }
  * });
  */
@@ -525,14 +530,14 @@ BigQuery.prototype.startQuery = function(options, callback) {
 
   this.makeReq_('POST', '/jobs', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var job = that.job(resp.jobReference.jobId);
     job.metadata = resp;
 
-    callback(null, job);
+    callback(null, job, resp);
   });
 };
 
diff --git a/lib/bigquery/job.js b/lib/bigquery/job.js
index 117924830fb..6de6a218a8c 100644
--- a/lib/bigquery/job.js
+++ b/lib/bigquery/job.js
@@ -62,7 +62,7 @@ function Job(bigQuery, id) {
  * @param {function} callback - The callback function.
  *
  * @example
- * job.getMetadata(function(err, metadata) {});
+ * job.getMetadata(function(err, metadata, apiResponse) {});
  */
 Job.prototype.getMetadata = function(callback) {
   var that = this;
@@ -71,13 +71,13 @@ Job.prototype.getMetadata = function(callback) {
 
   this.bigQuery.makeReq_('GET', path, null, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
@@ -102,7 +102,7 @@ Job.prototype.getMetadata = function(callback) {
  * //-
  * // Use the default options to get the results of a query.
  * //-
- * job.getQueryResults(function(err, rows, nextQuery) {});
+ * job.getQueryResults(function(err, rows, nextQuery, apiResponse) {});
  *
  * //-
  * // Customize the results you want to fetch.
@@ -111,7 +111,7 @@ Job.prototype.getMetadata = function(callback) {
  *   maxResults: 100
  * };
  *
- * job.getQueryResults(options, function(err, rows, nextQuery) {});
+ * job.getQueryResults(options, function(err, rows, nextQuery, apiResponse) {});
  *
  * //-
  * // Consume the results from the query as a readable stream.
diff --git a/lib/bigquery/table.js b/lib/bigquery/table.js
index e8a902244a8..21ea4ad1493 100644
--- a/lib/bigquery/table.js
+++ b/lib/bigquery/table.js
@@ -124,7 +124,7 @@ Table.mergeSchemaWithRows_ = function(schema, rows) {
  * @throws {Error} If a destination other than a Table object is provided.
  *
  * @example
- * table.copy(dataset.table('institution_data'), function(err, job) {});
+ * table.copy(dataset.table('my-table'), function(err, job, apiResponse) {});
  *
  * //-
  * // See the [`configuration.copy`](http://goo.gl/dKWIyS) object for all
@@ -135,7 +135,7 @@ Table.mergeSchemaWithRows_ = function(schema, rows) {
  *   writeDisposition: 'WRITE_TRUNCATE'
  * };
  *
- * table.copy(options, metadata, function(err, job) {});
+ * table.copy(options, metadata, function(err, job, apiResponse) {});
  */
 Table.prototype.copy = function(destination, metadata, callback) {
   var that = this;
@@ -168,14 +168,14 @@ Table.prototype.copy = function(destination, metadata, callback) {
 
   this.bigQuery.makeReq_('POST', '/jobs', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var job = that.bigQuery.job(resp.jobReference.jobId);
     job.metadata = resp;
 
-    callback(null, job);
+    callback(null, job, resp);
   });
 };
 
@@ -335,7 +335,7 @@ Table.prototype.createWriteStream = function(metadata) {
  * @param {function} callback - The callback function.
  *
  * @example
- * table.delete(function(err) {});
+ * table.delete(function(err, apiResponse) {});
  */
 Table.prototype.delete = function(callback) {
   this.makeReq_('DELETE', '', null, null, callback);
@@ -366,7 +366,7 @@ Table.prototype.delete = function(callback) {
  * // If you wish to override this, or provide an array of destination files,
  * // you must provide an `options` object.
  * //-
- * table.export(exportedFile, function(err, job) {});
+ * table.export(exportedFile, function(err, job, apiResponse) {});
  *
  * //-
  * // If you need more customization, pass an `options` object.
@@ -376,7 +376,7 @@ Table.prototype.delete = function(callback) {
  *   gzip: true
  * };
  *
- * table.export(exportedFile, options, function(err, job) {});
+ * table.export(exportedFile, options, function(err, job, apiResponse) {});
  *
  * //-
  * // You can also specify multiple destination files.
@@ -384,7 +384,7 @@ Table.prototype.delete = function(callback) {
  * table.export([
  *   storage.bucket('institutions').file('2014.json'),
  *   storage.bucket('institutions-copy').file('2014.json')
- * ], options, function(err, job) {});
+ * ], options, function(err, job, apiResponse) {});
  */
 Table.prototype.export = function(destination, options, callback) {
   var that = this;
@@ -447,14 +447,14 @@ Table.prototype.export = function(destination, options, callback) {
 
   this.bigQuery.makeReq_('POST', '/jobs', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var job = that.bigQuery.job(resp.jobReference.jobId);
     job.metadata = resp;
 
-    callback(null, job);
+    callback(null, job, resp);
   });
 };
 
@@ -464,20 +464,20 @@ Table.prototype.export = function(destination, options, callback) {
  * @param {function} callback - The callback function.
  *
  * @example
- * table.getMetadata(function(err, metadata) {});
+ * table.getMetadata(function(err, metadata, apiResponse) {});
  */
 Table.prototype.getMetadata = function(callback) {
   var that = this;
 
   this.makeReq_('GET', '', null, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
@@ -494,10 +494,10 @@ Table.prototype.getMetadata = function(callback) {
  *   maxResults: 100
  * };
  *
- * table.getRows(options, function(err, rows, nextQuery) {
+ * table.getRows(options, function(err, rows, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there are more results to fetch.
  *   if (nextQuery) {
- *     table.getRows(nextQuery, function(err, rows, nextQuery) {});
+ *     table.getRows(nextQuery, function(err, rows, nextQuery, apiResponse) {});
  *   }
  * });`
  */
@@ -513,7 +513,7 @@ Table.prototype.getRows = function(options, callback) {
 
   this.makeReq_('GET', '/data', options, null, function(err, resp) {
     if (err) {
-      onComplete(err);
+      onComplete(err, null, null, resp);
       return;
     }
 
@@ -533,24 +533,24 @@ Table.prototype.getRows = function(options, callback) {
           return;
         }
 
-        onComplete(null, resp.rows, nextQuery);
+        onComplete(null, resp.rows, nextQuery, resp);
       });
 
       return;
     }
 
-    onComplete(null, resp.rows, nextQuery);
+    onComplete(null, resp.rows, nextQuery, resp);
   });
 
-  function onComplete(err, rows, nextQuery) {
+  function onComplete(err, rows, nextQuery, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
 
     rows = Table.mergeSchemaWithRows_(that.metadata.schema, rows || []);
 
-    callback(null, rows, nextQuery);
+    callback(null, rows, nextQuery, resp);
   }
 };
 
@@ -577,7 +577,7 @@ Table.prototype.getRows = function(options, callback) {
  * //-
  * // Load data from a local file.
  * //-
- * table.import('./institutions.csv', function(err, job) {});
+ * table.import('./institutions.csv', function(err, job, apiResponse) {});
  *
  * //-
  * // You may also pass in metadata in the format of a Jobs resource. See
@@ -588,13 +588,13 @@ Table.prototype.getRows = function(options, callback) {
  *   sourceFormat: 'JSON'
  * };
  *
- * table.import('./institutions.csv', metadata, function(err, job) {});
+ * table.import('./my-data.csv', metadata, function(err, job, apiResponse) {});
  *
  * //-
  * // Load data from a file in your Storage bucket.
  * //-
  * var data = storage.bucket('institutions').file('data.csv');
- * table.import(data, function(err, job) {});
+ * table.import(data, function(err, job, apiResponse) {});
  *
  * //-
  * // Load data from multiple files in your Storage bucket(s).
@@ -602,7 +602,7 @@ Table.prototype.getRows = function(options, callback) {
  * table.import([
  *   storage.bucket('institutions').file('2011.csv'),
  *   storage.bucket('institutions').file('2012.csv')
- * ], function(err, job) {});
+ * ], function(err, job, apiResponse) {});
  */
 Table.prototype.import = function(source, metadata, callback) {
   var that = this;
@@ -631,9 +631,12 @@ Table.prototype.import = function(source, metadata, callback) {
     // Read the file into a new write stream.
     return fs.createReadStream(source)
       .pipe(this.createWriteStream(metadata))
-      .on('error', callback)
-      .on('complete', function(job) {
-        callback(null, job);
+      .on('error', function(err, resp) {
+        callback(err, null, resp);
+      })
+      .on('complete', function(resp) {
+        // TODO(ryanseys): Does this have to create a job object?
+        callback(null, resp, resp);
       });
   }
 
@@ -669,14 +672,14 @@ Table.prototype.import = function(source, metadata, callback) {
 
   this.bigQuery.makeReq_('POST', '/jobs', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var job = that.bigQuery.job(resp.jobReference.jobId);
     job.metadata = resp;
 
-    callback(null, job);
+    callback(null, job, resp);
   });
 };
 
@@ -717,7 +720,7 @@ Table.prototype.import = function(source, metadata, callback) {
  * //-
  * // Handling the response.
  * //-
- * function insertHandler(err, insertErrors) {
+ * function insertHandler(err, insertErrors, apiResponse) {
  *   // err (object):
  *   //   An API error occurred.
  *
@@ -748,7 +751,7 @@ Table.prototype.insert = function(rows, callback) {
 
   this.makeReq_('POST', '/insertAll', null, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
@@ -764,7 +767,7 @@ Table.prototype.insert = function(rows, callback) {
       };
     });
 
-    callback(null, failedToInsert);
+    callback(null, failedToInsert, resp);
   });
 };
 
@@ -791,6 +794,14 @@ Table.prototype.query = function(query, callback) {
  *     JSON array of fields, which allows for nested and repeated fields. See
  *     a [Table resource](http://goo.gl/sl8Dmg) for more detailed information.
  * @param {function} callback - The callback function.
+ *
+ * @example
+ * var metadata = {
+ *   name: 'My recipes',
+ *   description: 'A table for storing my recipes.',
+ *   schema: 'name:string, servings:integer, cookingTime:float, quick:boolean'
+ * };
+ * table.setMetadata(metadata, function(err, metadata, apiResponse) {});
  */
 Table.prototype.setMetadata = function(metadata, callback) {
   var that = this;
@@ -806,13 +817,13 @@ Table.prototype.setMetadata = function(metadata, callback) {
 
   this.makeReq_('PUT', '', null, metadata, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
diff --git a/lib/datastore/request.js b/lib/datastore/request.js
index 44f86dbf70a..1dd01c28773 100644
--- a/lib/datastore/request.js
+++ b/lib/datastore/request.js
@@ -90,13 +90,14 @@ function DatastoreRequest() {}
  * //-
  *
  * // Get a single entity.
- * transaction.get(dataset.key(['Company', 123]), function(err, entity) {});
+ * var key = dataset.key(['Company', 123]);
+ * transaction.get(key, function(err, entity, apiResponse) {});
  *
  * // Get multiple entities at once.
  * transaction.get([
  *   dataset.key(['Company', 123]),
  *   dataset.key(['Product', 'Computer'])
- * ], function(err, entities) {});
+ * ], function(err, entities, apiResponse) {});
  */
 DatastoreRequest.prototype.get = function(keys, callback) {
   var that = this;
@@ -112,7 +113,7 @@ DatastoreRequest.prototype.get = function(keys, callback) {
 
   this.makeReq_('lookup', req, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
@@ -123,7 +124,7 @@ DatastoreRequest.prototype.get = function(keys, callback) {
       that.get(
           resp.deferred.map(entity.keyFromKeyProto), function(err, entities) {
         if (err) {
-          callback(err);
+          callback(err, null, resp);
           return;
         }
 
@@ -131,13 +132,13 @@ DatastoreRequest.prototype.get = function(keys, callback) {
           found = (found || []).concat(entities);
         }
 
-        callback(null, found);
+        callback(null, found, resp);
       });
 
       return;
     }
 
-    callback(null, isMultipleRequest ? found : found[0]);
+    callback(null, isMultipleRequest ? found : found[0], resp);
   });
 };
 
@@ -242,7 +243,7 @@ DatastoreRequest.prototype.insert = function(entities, callback) {
  *       fullName: 'Andrew Chilton'
  *     }
  *   }
- * ], function(err) {});
+ * ], function(err, apiResponse) {});
  */
 DatastoreRequest.prototype.save = function(entities, callback) {
   entities = util.arrayize(entities);
@@ -324,7 +325,7 @@ DatastoreRequest.prototype.save = function(entities, callback) {
 
   function onCommit(err, resp) {
     if (err || !resp) {
-      callback(err);
+      callback(err, resp);
       return;
     }
 
@@ -334,7 +335,7 @@ DatastoreRequest.prototype.save = function(entities, callback) {
       entities[insertIndexes[index]].key.path = path;
     });
 
-    callback(null);
+    callback(null, resp);
   }
 };
 
@@ -352,7 +353,7 @@ DatastoreRequest.prototype.save = function(entities, callback) {
  * dataset.delete([
  *   dataset.key(['Company', 123]),
  *   dataset.key(['Product', 'Computer'])
- * ], function(err) {});
+ * ], function(err, apiResponse) {});
  */
 DatastoreRequest.prototype.delete = function(keys, callback) {
   callback = callback || util.noop;
@@ -396,10 +397,11 @@ DatastoreRequest.prototype.delete = function(keys, callback) {
  * //-
  *
  * // Retrieve 5 companies.
- * transaction.runQuery(queryObject, function(err, entities, endCursor) {
+ * transaction.runQuery(query, function(err, entities, endCursor, apiResponse) {
  *   // Use `endCursor` as the starting cursor for your next query.
- *   var nextQuery = queryObject.start(endCursor);
- *   transaction.runQuery(nextQuery, function(err, entities, endCursor) {});
+ *   var nextQuery = query.start(endCursor);
+ *   var callback = function(err, entities, endCursor, apiResponse) {};
+ *   transaction.runQuery(nextQuery, callback);
  * });
  *
  * //-
@@ -438,10 +440,10 @@ DatastoreRequest.prototype.runQuery = function(q, callback) {
     that.makeReq_('runQuery', req, function(err, resp) {
       if (err) {
         if (stream) {
-          stream.emit('error', err);
+          stream.emit('error', err, resp);
           stream.end();
         } else {
-          callback(err);
+          callback(err, null, null, resp);
         }
         return;
       }
@@ -454,7 +456,7 @@ DatastoreRequest.prototype.runQuery = function(q, callback) {
       }
 
       if (!stream) {
-        callback(null, entities, cursor);
+        callback(null, entities, cursor, resp);
         return;
       }
 
@@ -505,7 +507,8 @@ DatastoreRequest.prototype.runQuery = function(q, callback) {
  *   namespace: 'ns-test',
  *   path: ['Company']
  * });
- * transaction.allocateIds(incompleteKey, 100, function(err, keys) {});
+ * var callback = function(err, keys, apiResponse) {};
+ * transaction.allocateIds(incompleteKey, 100, callback);
  */
 DatastoreRequest.prototype.allocateIds = function(incompleteKey, n, callback) {
   if (entity.isKeyComplete(incompleteKey)) {
@@ -523,13 +526,13 @@ DatastoreRequest.prototype.allocateIds = function(incompleteKey, n, callback) {
 
   this.makeReq_('allocateIds', req, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     var keys = (resp.key || []).map(entity.keyFromKeyProto);
 
-    callback(null, keys);
+    callback(null, keys, resp);
   });
 };
 
@@ -565,7 +568,8 @@ DatastoreRequest.prototype.upsert = function(entities, callback) {
  *     delete: [] // datastore key objects.
  *   }
  * };
- * transaction.makeReq('commit', deleteRequest, function(err) {});
+ * var callback = function(err, result, apiResponse) {};
+ * transaction.makeReq('commit', deleteRequest, callback);
  */
 DatastoreRequest.prototype.makeReq_ = function(method, body, callback) {
   // TODO: Handle non-HTTP 200 cases.
@@ -611,7 +615,7 @@ DatastoreRequest.prototype.makeReq_ = function(method, body, callback) {
   this.makeAuthorizedRequest_(reqOpts, {
     onAuthorized: function(err, authorizedReqOpts) {
       if (err) {
-        callback(err);
+        callback(err, null); // TODO(ryanseys): What goes as third parameter?
         return;
       }
 
@@ -628,12 +632,12 @@ DatastoreRequest.prototype.makeReq_ = function(method, body, callback) {
           buffer = Buffer.concat([buffer, chunk]);
         });
         resp.on('end', function() {
-          util.handleResp(null, resp, buffer.toString(), function(err) {
+          util.handleResp(null, resp, buffer.toString(), function(err, result) {
             if (err) {
-              callback(err);
+              callback(err, null, result);
               return;
             }
-            callback(null, pbResponse.decode(buffer));
+            callback(null, pbResponse.decode(buffer), result);
           });
         });
       });
diff --git a/lib/datastore/transaction.js b/lib/datastore/transaction.js
index 3f882994e95..888bad2772d 100644
--- a/lib/datastore/transaction.js
+++ b/lib/datastore/transaction.js
@@ -89,10 +89,10 @@ nodeutil.inherits(Transaction, DatastoreRequest);
  *   // Perform Datastore operations as usual.
  *   transaction.get(dataset.key(['Company', 123]), function(err, entity) {
  *     // Commit the transaction.
- *     transaction.finalize(function(err) {});
+ *     transaction.finalize(function(err, apiResponse) {});
  *
  *     // Rollback the transaction.
- *     transaction.rollback(function(err) {});
+ *     transaction.rollback(function(err, apiResponse) {});
  *   });
  * });
  */
@@ -103,13 +103,13 @@ Transaction.prototype.begin = function(callback) {
 
   this.makeReq_('beginTransaction', function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, resp);
       return;
     }
 
     that.id = resp.transaction;
 
-    callback(null);
+    callback(null, resp);
   });
 };
 
@@ -132,10 +132,10 @@ Transaction.prototype.rollback = function(callback) {
 
   callback = callback || util.noop;
 
-  this.makeReq_('rollback', function(err) {
+  this.makeReq_('rollback', function(err, resp) {
     that.skipCommit = true;
 
-    callback(err || null);
+    callback(err || null, resp);
   });
 };
 
@@ -146,7 +146,7 @@ Transaction.prototype.rollback = function(callback) {
  *
  * @example
  * transaction.begin(function(err) {
- *   transaction.commit(function(err) {
+ *   transaction.commit(function(err, apiResponse) {
  *     if (err) {
  *       // Transaction could not be committed.
  *     }
@@ -228,7 +228,7 @@ Transaction.prototype.commit = function(callback) {
 
   this.makeReq_('commit', req, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, resp);
       return;
     }
 
@@ -239,7 +239,7 @@ Transaction.prototype.commit = function(callback) {
       cb(null, resp);
     });
 
-    callback(null);
+    callback(null, resp);
   });
 };
 
diff --git a/lib/pubsub/index.js b/lib/pubsub/index.js
index 06a4473aec9..e26cfa9e58c 100644
--- a/lib/pubsub/index.js
+++ b/lib/pubsub/index.js
@@ -123,7 +123,7 @@ function PubSub(options) {
  *
  * @example
  * // Get all topics.
- * pubsub.getTopics(function(err, topics, nextQuery) {
+ * pubsub.getTopics(function(err, topics, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there may be more results to fetch. To do
  *   // so, run `pubsub.getTopics(nextQuery, callback);`.
  * });
@@ -131,7 +131,7 @@ function PubSub(options) {
  * // Customize the query.
  * pubsub.getTopics({
  *   pageSize: 3
- * }, function(err, topics, nextQuery) {});
+ * }, function(err, topics, nextQuery, apiResponse) {});
  */
 PubSub.prototype.getTopics = function(query, callback) {
   var self = this;
@@ -142,7 +142,7 @@ PubSub.prototype.getTopics = function(query, callback) {
   var path = this.projectName + '/topics';
   this.makeReq_('GET', path, query, true, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, null, null, result);
       return;
     }
     var topics = (result.topics || []).map(function(item) {
@@ -155,7 +155,7 @@ PubSub.prototype.getTopics = function(query, callback) {
       nextQuery = query;
       nextQuery.pageToken = result.nextPageToken;
     }
-    callback(null, topics, nextQuery);
+    callback(null, topics, nextQuery, result);
   });
 };
 
@@ -166,7 +166,7 @@ PubSub.prototype.getTopics = function(query, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * pubsub.createTopic('my-new-topic', function(err, topic) {
+ * pubsub.createTopic('my-new-topic', function(err, topic, apiResponse) {
  *   topic.publish('New message!', function(err) {});
  * });
  */
@@ -174,12 +174,12 @@ PubSub.prototype.createTopic = function(name, callback) {
   callback = callback || util.noop;
   var topic = this.topic(name);
   var path = this.projectName + '/topics/' + name;
-  this.makeReq_('PUT', path, null, null, function(err) {
+  this.makeReq_('PUT', path, null, null, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, null, result);
       return;
     }
-    callback(null, topic);
+    callback(null, topic, result);
   });
 };
 
@@ -222,16 +222,18 @@ PubSub.prototype.topic = function(name, options) {
  * @param {function} callback - The callback function.
  *
  * @example
- * // Get all subscriptions.
- * pubsub.getSubscriptions(function(err, subscriptions, nextQuery) {
+ * var callback = function(err, subscriptions, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there may be more results to fetch. To do
  *   // so, run `pubsub.getSubscriptions(nextQuery, callback);`.
- * });
+ * };
+ *
+ * // Get all subscriptions.
+ * pubsub.getSubscriptions(callback);
  *
  * // Customize the query.
  * pubsub.getSubscriptions({
  *   pageSize: 10
- * }, function(err, subscriptions, nextQuery) {});
+ * }, callback);
  */
 PubSub.prototype.getSubscriptions = function(query, callback) {
   var self = this;
@@ -243,7 +245,7 @@ PubSub.prototype.getSubscriptions = function(query, callback) {
   var path = this.projectName + '/subscriptions';
   this.makeReq_('GET', path, query, true, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, null, null, result);
       return;
     }
 
@@ -257,7 +259,7 @@ PubSub.prototype.getSubscriptions = function(query, callback) {
       nextQuery = query;
       nextQuery.pageToken = result.nextPageToken;
     }
-    callback(null, subscriptions, nextQuery);
+    callback(null, subscriptions, nextQuery, result);
   });
 };
 
diff --git a/lib/pubsub/subscription.js b/lib/pubsub/subscription.js
index c4a954766b5..fe110e4a51a 100644
--- a/lib/pubsub/subscription.js
+++ b/lib/pubsub/subscription.js
@@ -228,13 +228,13 @@ Subscription.prototype.startPulling_ = function() {
   }
   this.pull({
     returnImmediately: false
-  }, function(err, messages) {
+  }, function(err, messages, apiResponse) {
     if (err) {
-      self.emit('error', err);
+      self.emit('error', err, apiResponse);
     }
     if (messages) {
       messages.forEach(function(message) {
-        self.emit('message', message);
+        self.emit('message', message, apiResponse);
       });
     }
     setTimeout(self.startPulling_.bind(self), self.interval);
@@ -251,7 +251,7 @@ Subscription.prototype.startPulling_ = function() {
  * @param {function=} callback - The callback function.
  *
  * @example
- * subscription.ack('ePHEESyhuE8e...', function(err) {});
+ * subscription.ack('ePHEESyhuE8e...', function(err, apiResponse) {});
  */
 Subscription.prototype.ack = function(ids, callback) {
   if (!ids || ids.length === 0) {
@@ -273,19 +273,19 @@ Subscription.prototype.ack = function(ids, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * subscription.delete(function(err) {});
+ * subscription.delete(function(err, apiResponse) {});
  */
 Subscription.prototype.delete = function(callback) {
   var self = this;
   callback = callback || util.noop;
-  this.makeReq_('DELETE', this.name, null, true, function(err) {
+  this.makeReq_('DELETE', this.name, null, true, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, result);
       return;
     }
     self.closed = true;
     self.removeAllListeners();
-    callback(null);
+    callback(null, result);
   });
 };
 
@@ -330,7 +330,7 @@ Subscription.prototype.delete = function(callback) {
  *   maxResults: 1
  * };
  *
- * subscription.pull(opts, function(err, messages) {});
+ * subscription.pull(opts, function(err, messages, apiResponse) {});
  */
 Subscription.prototype.pull = function(options, callback) {
   var self = this;
@@ -353,7 +353,7 @@ Subscription.prototype.pull = function(options, callback) {
   var path = this.name + ':pull';
   this.makeReq_('POST', path, null, body, function(err, response) {
     if (err) {
-      callback(err);
+      callback(err, null, response);
       return;
     }
 
@@ -366,10 +366,10 @@ Subscription.prototype.pull = function(options, callback) {
       });
 
       self.ack(ackIds, function(err) {
-        callback(err, messages);
+        callback(err, messages, response);
       });
     } else {
-      callback(null, messages);
+      callback(null, messages, response);
     }
   });
 };
@@ -391,7 +391,7 @@ Subscription.prototype.pull = function(options, callback) {
  *   ackId: 123,
  *   seconds: 10 // Expire in 10 seconds from call.
  * };
- * subscription.setAckDeadline(options, function(err) {});
+ * subscription.setAckDeadline(options, function(err, apiResponse) {});
  */
 Subscription.prototype.setAckDeadline = function(options, callback) {
   var body = {
diff --git a/lib/pubsub/topic.js b/lib/pubsub/topic.js
index 2479cf791cb..30dceb56b72 100644
--- a/lib/pubsub/topic.js
+++ b/lib/pubsub/topic.js
@@ -143,7 +143,7 @@ Topic.prototype.autoCreateWrapper_ = function(method, path, q, body, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * var registrationMessage = {
+ * var registerMessage = {
  *   data: {
  *     userId: 3,
  *     name: 'Stephen',
@@ -154,7 +154,7 @@ Topic.prototype.autoCreateWrapper_ = function(method, path, q, body, callback) {
  *     hello: 'world'
  *   }
  * };
- * topic.publish(registrationMessage, function(err, messageIds) {});
+ * topic.publish(registerMessage, function(err, messageIds, apiResponse) {});
  *
  * //-
  * // You can publish a batch of messages at once by supplying an array.
@@ -170,7 +170,7 @@ Topic.prototype.autoCreateWrapper_ = function(method, path, q, body, callback) {
  * topic.publish([
  *   registrationMessage,
  *   purchaseMessage
- * ], function(err, messageIds) {});
+ * ], function(err, messageIds, apiResponse) {});
  */
 Topic.prototype.publish = function(messages, callback) {
   messages = util.arrayize(messages);
@@ -192,10 +192,10 @@ Topic.prototype.publish = function(messages, callback) {
   var path = this.name + ':publish';
   this.makeReq_('POST', path, null, body, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, null, result);
       return;
     }
-    callback(null, result && result.messageIds || []);
+    callback(null, result && result.messageIds || [], result);
   });
 };
 
@@ -205,7 +205,7 @@ Topic.prototype.publish = function(messages, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * topic.delete(function(err) {});
+ * topic.delete(function(err, apiResponse) {});
  */
 Topic.prototype.delete = function(callback) {
   callback = callback || util.noop;
@@ -227,7 +227,7 @@ Topic.prototype.delete = function(callback) {
  *
  * @example
  * // Get all subscriptions for this topic.
- * topic.getSubscriptions(function(err, subscriptions, nextQuery) {
+ * topic.getSubscriptions(function(err, subscriptions, nextQuery, apiResponse) {
  *   // If `nextQuery` is non-null, there may be more results to fetch. To do
  *   // so, run `topic.getSubscriptions(nextQuery, callback);`.
  * });
@@ -235,7 +235,7 @@ Topic.prototype.delete = function(callback) {
  * // Customize the query.
  * topic.getSubscriptions({
  *   pageSize: 3
- * }, function(err, subscriptions, nextQuery) {});
+ * }, function(err, subscriptions, nextQuery, apiResponse) {});
  */
 Topic.prototype.getSubscriptions = function(query, callback) {
   var self = this;
@@ -247,7 +247,7 @@ Topic.prototype.getSubscriptions = function(query, callback) {
   var path = this.name + '/subscriptions';
   this.makeReq_('GET', path, query, true, function(err, result) {
     if (err) {
-      callback(err);
+      callback(err, null, null, result);
       return;
     }
 
@@ -261,7 +261,7 @@ Topic.prototype.getSubscriptions = function(query, callback) {
       nextQuery = query;
       nextQuery.pageToken = result.nextPageToken;
     }
-    callback(null, subscriptions, nextQuery);
+    callback(null, subscriptions, nextQuery, result);
   });
 };
 
@@ -290,14 +290,14 @@ Topic.prototype.getSubscriptions = function(query, callback) {
  *
  * @example
  * // Without specifying any options.
- * topic.subscribe('new-subscription', function(err, subscription) {});
+ * topic.subscribe('my-cool-sub', function(err, subscription, apiResponse) {});
  *
  * // With options.
- * topic.subscribe('new-subscription', {
+ * topic.subscribe('my-cool-sub', {
  *   ackDeadlineSeconds: 90,
  *   autoAck: true,
  *   interval: 30
- * }, function(err, subscription) {});
+ * }, function(err, subscription, apiResponse) {});
  */
 Topic.prototype.subscribe = function(name, options, callback) {
   var self = this;
@@ -318,13 +318,14 @@ Topic.prototype.subscribe = function(name, options, callback) {
   }
 
   var path = Subscription.formatName_(this.projectId, name);
-  this.makeReq_('PUT', path, null, body, function(err) {
+
+  this.makeReq_('PUT', path, null, body, function(err, result) {
     if (options.reuseExisting && err && err.code === 409) {
-      callback(null, self.subscription(name, options));
+      callback(null, self.subscription(name, options), result);
     } else if (err) {
-      callback(err);
+      callback(err, null, result);
     } else {
-      callback(null, self.subscription(name, options));
+      callback(null, self.subscription(name, options), result);
     }
   });
 };
diff --git a/lib/storage/acl.js b/lib/storage/acl.js
index d79d3b7c009..b2ea0de0ba1 100644
--- a/lib/storage/acl.js
+++ b/lib/storage/acl.js
@@ -211,7 +211,7 @@ nodeutil.inherits(Acl, AclRoleAccessorMethods);
  * myBucket.acl.add({
  *   entity: 'user-useremail@example.com',
  *   role: storage.acl.OWNER_ROLE
- * }, function(err, aclObject) {});
+ * }, function(err, aclObject, apiResponse) {});
  *
  * //-
  * // For file ACL operations, you can also specify a `generation` property.
@@ -222,7 +222,7 @@ nodeutil.inherits(Acl, AclRoleAccessorMethods);
  *   entity: 'user-useremail@example.com',
  *   role: storage.acl.OWNER_ROLE,
  *   generation: 1
- * }, function(err, aclObject) {});
+ * }, function(err, aclObject, apiResponse) {});
  */
 Acl.prototype.add = function(options, callback) {
   var that = this;
@@ -242,11 +242,11 @@ Acl.prototype.add = function(options, callback) {
 
   this.makeReq_('POST', '', query, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
-    callback(null, that.makeAclObject_(resp));
+    callback(null, that.makeAclObject_(resp), resp);
   });
 };
 
@@ -264,7 +264,7 @@ Acl.prototype.add = function(options, callback) {
  * @example
  * myBucket.acl.delete({
  *   entity: 'user-useremail@example.com'
- * }, function(err) {});
+ * }, function(err, apiResponse) {});
  *
  * //-
  * // For file ACL operations, you can also specify a `generation` property.
@@ -272,7 +272,7 @@ Acl.prototype.add = function(options, callback) {
  * myFile.acl.delete({
  *   entity: 'user-useremail@example.com',
  *   generation: 1
- * }, function(err) {});
+ * }, function(err, apiResponse) {});
  */
 Acl.prototype.delete = function(options, callback) {
   var path = '/' + encodeURIComponent(options.entity);
@@ -298,18 +298,19 @@ Acl.prototype.delete = function(options, callback) {
  * @param {string=} options.entity - Whose permissions will be fetched.
  * @param {int=} options.generation - **File Objects Only** Select a specific
  *     revision of this file (as opposed to the latest version, the default).
+ * @param {function} callback - The callback function.
  *
  * @alias acl.get
  *
  * @example
  * myBucket.acl.get({
  *   entity: 'user-useremail@example.com'
- * }, function(err, aclObject) {});
+ * }, function(err, aclObject, apiResponse) {});
  *
  * //-
  * // Get all access controls.
  * //-
- * myBucket.acl.get(function(err, aclObjects) {
+ * myBucket.acl.get(function(err, aclObjects, apiResponse) {
  *   // aclObjects = [
  *   //   {
  *   //     entity: 'user-useremail@example.com',
@@ -324,7 +325,7 @@ Acl.prototype.delete = function(options, callback) {
  * myFile.acl.get({
  *   entity: 'user-useremail@example.com',
  *   generation: 1
- * } function(err, aclObject) {});
+ * } function(err, aclObject, apiResponse) {});
  */
 Acl.prototype.get = function(options, callback) {
   var that = this;
@@ -346,7 +347,7 @@ Acl.prototype.get = function(options, callback) {
 
   this.makeReq_('GET', path, query, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
@@ -358,7 +359,7 @@ Acl.prototype.get = function(options, callback) {
       results = that.makeAclObject_(results);
     }
 
-    callback(null, results);
+    callback(null, results, resp);
   });
 };
 
@@ -381,7 +382,7 @@ Acl.prototype.get = function(options, callback) {
  * myBucket.acl.update({
  *   entity: 'user-useremail@example.com',
  *   role: storage.acl.WRITER_ROLE
- * }, function(err) {});
+ * }, function(err, apiResponse) {});
  *
  * //-
  * // For file ACL operations, you can also specify a `generation` property.
@@ -390,7 +391,7 @@ Acl.prototype.get = function(options, callback) {
  *   entity: 'user-useremail@example.com',
  *   role: storage.acl.WRITER_ROLE,
  *   generation: 1
- * }, function(err) {});
+ * }, function(err, apiResponse) {});
  */
 Acl.prototype.update = function(options, callback) {
   var that = this;
@@ -409,11 +410,11 @@ Acl.prototype.update = function(options, callback) {
 
   this.makeReq_('PUT', path, query, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
-    callback(null, that.makeAclObject_(resp));
+    callback(null, that.makeAclObject_(resp), resp);
   });
 };
 
diff --git a/lib/storage/bucket.js b/lib/storage/bucket.js
index c7db7235a5c..248b4fc6b86 100644
--- a/lib/storage/bucket.js
+++ b/lib/storage/bucket.js
@@ -226,7 +226,7 @@ function Bucket(storage, name) {
  * bucket.combine([
  *   2013logs,
  *   2014logs
- * ], allLogs, function(err, newFile) {
+ * ], allLogs, function(err, newFile, apiResponse) {
  *   // newFile === allLogs
  * });
  */
@@ -267,7 +267,7 @@ Bucket.prototype.combine = function(sources, destination, callback) {
       destination: {
         contentType: destination.metadata.contentType
       },
-      sourceObjects: sources.map(function (source) {
+      sourceObjects: sources.map(function(source) {
         var sourceObject = {
           name: source.name
         };
@@ -279,13 +279,13 @@ Bucket.prototype.combine = function(sources, destination, callback) {
         return sourceObject;
       })
     }
-  }, function(err) {
+  }, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
-    callback(null, destination);
+    callback(null, destination, resp);
   });
 
   function convertToFile(file) {
@@ -303,7 +303,7 @@ Bucket.prototype.combine = function(sources, destination, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * bucket.delete(function(err) {});
+ * bucket.delete(function(err, apiResponse) {});
  */
 Bucket.prototype.delete = function(callback) {
   callback = callback || util.noop;
@@ -362,7 +362,7 @@ Bucket.prototype.file = function(name) {
  * //-
  * bucket.getFiles({
  *   maxResults: 5
- * }, function(err, files, nextQuery) {});
+ * }, function(err, files, nextQuery, apiResponse) {});
  */
 Bucket.prototype.getFiles = function(query, callback) {
   var that = this;
@@ -372,7 +372,7 @@ Bucket.prototype.getFiles = function(query, callback) {
   }
   this.makeReq_('GET', '/o', query, true, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
     var files = (resp.items || []).map(function(item) {
@@ -384,7 +384,7 @@ Bucket.prototype.getFiles = function(query, callback) {
     if (resp.nextPageToken) {
       nextQuery = extend({}, query, { pageToken: resp.nextPageToken });
     }
-    callback(null, files, nextQuery);
+    callback(null, files, nextQuery, resp);
   });
 };
 
@@ -396,17 +396,17 @@ Bucket.prototype.getFiles = function(query, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * bucket.getMetadata(function(err, metadata) {});
+ * bucket.getMetadata(function(err, metadata, apiResponse) {});
  */
 Bucket.prototype.getMetadata = function(callback) {
   callback = callback || util.noop;
   this.makeReq_('GET', '', null, true, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
     this.metadata = resp;
-    callback(null, this.metadata);
+    callback(null, this.metadata, resp);
   }.bind(this));
 };
 
@@ -633,7 +633,7 @@ Bucket.prototype.makePublic = function(options, callback) {
  *     mainPageSuffix: 'http://example.com',
  *     notFoundPage: 'http://example.com/404.html'
  *   }
- * }, function(err, metadata) {});
+ * }, function(err, metadata, apiResponse) {});
  */
 Bucket.prototype.setMetadata = function(metadata, callback) {
   var that = this;
@@ -641,13 +641,13 @@ Bucket.prototype.setMetadata = function(metadata, callback) {
 
   this.makeReq_('PATCH', '', null, metadata, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
@@ -683,7 +683,7 @@ Bucket.prototype.setMetadata = function(metadata, callback) {
  * //-
  * // The easiest way to upload a file.
  * //-
- * bucket.upload('/local/path/image.png', function(err, file) {
+ * bucket.upload('/local/path/image.png', function(err, file, apiResponse) {
  *   // Your bucket now contains:
  *   // - "image.png" (with the contents of `/local/path/image.png')
  *
@@ -705,9 +705,9 @@ Bucket.prototype.setMetadata = function(metadata, callback) {
  *   }
  * };
  *
- * bucket.upload('/local/path/image.png', options, function(err, file) {
+ * bucket.upload('local-image.png', options, function(err, file) {
  *   // Your bucket now contains:
- *   // - "new-image.png" (with the contents of `/local/path/image.png')
+ *   // - "new-image.png" (with the contents of `local-image.png')
  *
  *   // `file` is an instance of a File object that refers to your new file.
  * });
@@ -721,9 +721,9 @@ Bucket.prototype.setMetadata = function(metadata, callback) {
  *   resumable: false
  * };
  *
- * bucket.upload('/local/path/image.png', options, function(err, newFile) {
+ * bucket.upload('local-img.png', options, function(err, newFile) {
  *   // Your bucket now contains:
- *   // - "existing-file.png" (with the contents of `/local/path/image.png')
+ *   // - "existing-file.png" (with the contents of `local-img.png')
  *
  *   // Note:
  *   // The `newFile` parameter is equal to `file`.
@@ -778,7 +778,9 @@ Bucket.prototype.upload = function(localPath, options, callback) {
         resumable: resumable,
         metadata: metadata
       }))
-      .on('error', callback)
+      .on('error', function(err) {
+        callback(err);
+      })
       .on('complete', function() {
         callback(null, newFile);
       });
diff --git a/lib/storage/file.js b/lib/storage/file.js
index c5d7ca3407c..106ea06ce3c 100644
--- a/lib/storage/file.js
+++ b/lib/storage/file.js
@@ -137,7 +137,7 @@ function File(bucket, name, metadata) {
  * // If you pass in a string for the destination, the file is copied to its
  * // current bucket, under the new name provided.
  * //-
- * file.copy('my-image-copy.png', function(err, copiedFile) {
+ * file.copy('my-image-copy.png', function(err, copiedFile, apiResponse) {
  *   // `my-bucket` now contains:
  *   // - "my-image.png"
  *   // - "my-image-copy.png"
@@ -151,7 +151,7 @@ function File(bucket, name, metadata) {
  * // using the same name.
  * //-
  * var anotherBucket = storage.bucket('another-bucket');
- * file.copy(anotherBucket, function(err, copiedFile) {
+ * file.copy(anotherBucket, function(err, copiedFile, apiResponse) {
  *   // `my-bucket` still contains:
  *   // - "my-image.png"
  *   //
@@ -167,7 +167,7 @@ function File(bucket, name, metadata) {
  * // bucket and filename.
  * //-
  * var anotherFile = anotherBucket.file('my-awesome-image.png');
- * file.copy(anotherFile, function(err, copiedFile) {
+ * file.copy(anotherFile, function(err, copiedFile, apiResponse) {
  *   // `my-bucket` still contains:
  *   // - "my-image.png"
  *   //
@@ -184,36 +184,37 @@ File.prototype.copy = function(destination, callback) {
     throw noDestinationError;
   }
   callback = callback || util.noop;
+
   var destBucket;
   var destName;
   var newFile;
+
   if (util.is(destination, 'string')) {
     destBucket = this.bucket;
     destName = destination;
-  }
-  if (destination.constructor && destination.constructor.name === 'Bucket') {
+  } else if (destination.constructor &&
+        destination.constructor.name === 'Bucket') {
     destBucket = destination;
     destName = this.name;
-  }
-  if (destination instanceof File) {
+  } else if (destination instanceof File) {
     destBucket = destination.bucket;
     destName = destination.name;
     newFile = destination;
-  }
-  if (!destName) {
+  } else {
     throw noDestinationError;
   }
+
   var path = util.format('/o/{srcName}/copyTo/b/{destBucket}/o/{destName}', {
     srcName: encodeURIComponent(this.name),
     destBucket: destBucket.name,
     destName: encodeURIComponent(destName)
   });
-  this.makeReq_('POST', path, null, {}, function(err) {
+  this.makeReq_('POST', path, null, {}, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
-    callback(null, newFile || destBucket.file(destName));
+    callback(null, newFile || destBucket.file(destName), resp);
   });
 };
 
@@ -311,9 +312,9 @@ File.prototype.createReadStream = function(options) {
   if (this.metadata.mediaLink) {
     createAuthorizedReq(this.metadata.mediaLink);
   } else {
-    this.getMetadata(function(err, metadata) {
+    this.getMetadata(function(err, metadata, resp) {
       if (err) {
-        done(err);
+        done(err, resp);
         return;
       }
 
@@ -341,7 +342,7 @@ File.prototype.createReadStream = function(options) {
     that.bucket.storage.makeAuthorizedRequest_(reqOpts, {
       onAuthorized: function(err, authorizedReqOpts) {
         if (err) {
-          done(err);
+          done(err, null);
           return;
         }
 
@@ -364,15 +365,15 @@ File.prototype.createReadStream = function(options) {
           })
 
           .on('complete', function(res) {
-            util.handleResp(null, res, res.body, function(err) {
+            util.handleResp(null, res, res.body, function(err, resp) {
               if (err) {
-                done(err);
+                done(err, resp);
                 return;
               }
 
               if (rangeRequest) {
                 // Range requests can't receive data integrity checks.
-                done(null, res);
+                done(null, resp);
                 return;
               }
 
@@ -412,9 +413,9 @@ File.prototype.createReadStream = function(options) {
                 ].join(' '));
                 mismatchError.code = 'CONTENT_DOWNLOAD_MISMATCH';
 
-                done(mismatchError);
+                done(mismatchError, resp);
               } else {
-                done(null, res);
+                done(null, resp);
               }
             });
           })
@@ -425,11 +426,11 @@ File.prototype.createReadStream = function(options) {
   }
 
   // End the stream, first emitting an error or complete event.
-  function done(err, response) {
+  function done(err) {
     if (err) {
       throughStream.emit('error', err);
     } else {
-      throughStream.emit('complete', response);
+      throughStream.emit('complete');
     }
 
     throughStream.end();
@@ -472,7 +473,7 @@ File.prototype.createReadStream = function(options) {
  * fs.createReadStream('/Users/stephen/Photos/birthday-at-the-zoo/panda.jpg')
  *   .pipe(image.createWriteStream())
  *   .on('error', function(err) {})
- *   .on('complete', function() {
+ *   .on('complete', function(metadata) {
  *     // The file upload is complete.
  *   });
  *
@@ -637,18 +638,19 @@ File.prototype.createWriteStream = function(options) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * file.delete(function(err) {});
+ * file.delete(function(err, apiResponse) {});
  */
 File.prototype.delete = function(callback) {
   callback = callback || util.noop;
   var path = '/o/' + encodeURIComponent(this.name);
-  this.makeReq_('DELETE', path, null, true, function(err) {
+
+  this.makeReq_('DELETE', path, null, true, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, resp);
       return;
     }
-    callback();
-  }.bind(this));
+    callback(null, resp);
+  });
 };
 
 /**
@@ -713,19 +715,21 @@ File.prototype.download = function(options, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * file.getMetadata(function(err, metadata) {});
+ * file.getMetadata(function(err, metadata, apiResponse) {});
  */
 File.prototype.getMetadata = function(callback) {
+  var self = this;
   callback = callback || util.noop;
   var path = '/o/' + encodeURIComponent(this.name);
+
   this.makeReq_('GET', path, null, true, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
-    this.metadata = resp;
-    callback(null, this.metadata);
-  }.bind(this));
+    self.metadata = resp;
+    callback(null, self.metadata, resp);
+  });
 };
 
 /**
@@ -746,6 +750,7 @@ File.prototype.getMetadata = function(callback) {
  *     link will expire.
  * @param {string=} options.extensionHeaders - If these headers are used, the
  *     server will check to make sure that the client provides matching values.
+ * @param {function=} callback - The callback function.
  *
  * @example
  * file.getSignedUrl({
@@ -808,7 +813,7 @@ File.prototype.getSignedUrl = function(options, callback) {
  *     my: 'custom',
  *     properties: 'go here'
  *   }
- * }, function(err, metadata) {});
+ * }, function(err, metadata, apiResponse) {});
  */
 File.prototype.setMetadata = function(metadata, callback) {
   var that = this;
@@ -817,13 +822,13 @@ File.prototype.setMetadata = function(metadata, callback) {
 
   this.makeReq_('PATCH', path, null, metadata, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
 
     that.metadata = resp;
 
-    callback(null, that.metadata);
+    callback(null, that.metadata, resp);
   });
 };
 
@@ -881,7 +886,7 @@ File.prototype.makePrivate = function(options, callback) {
  * @param {function=} callback - The callback function.
  *
  * @example
- * file.makePublic(function(err) {});
+ * file.makePublic(function(err, apiResponse) {});
  */
 File.prototype.makePublic = function(callback) {
   callback = callback || util.noop;
@@ -889,8 +894,8 @@ File.prototype.makePublic = function(callback) {
   this.acl.add({
     entity: 'allUsers',
     role: 'READER'
-  }, function(err) {
-    callback(err);
+  }, function(err, resp) {
+    callback(err, resp);
   });
 };
 
diff --git a/lib/storage/index.js b/lib/storage/index.js
index 39faa82c3e2..9db70aded8d 100644
--- a/lib/storage/index.js
+++ b/lib/storage/index.js
@@ -190,7 +190,7 @@ Storage.prototype.bucket = function(name) {
  * @param {function} callback - The callback function.
  *
  * @example
- * storage.createBucket('new-bucket', function(err, bucket) {
+ * storage.createBucket('new-bucket', function(err, bucket, apiResponse) {
  *   // `bucket` is a Bucket object.
  * });
  *
@@ -199,11 +199,14 @@ Storage.prototype.bucket = function(name) {
  *   mainPageSuffix: '/unknown/',
  *   maxAgeSeconds: 90
  * };
- * storage.createBucket('new-bucket', metadata, function(err, bucket) {
+ *
+ * var callback = function(err, bucket, apiResponse) {
  *   // `bucket` is a Bucket object.
- * });
+ * }
+ * storage.createBucket('new-bucket', metadata, callback);
  */
 Storage.prototype.createBucket = function(name, metadata, callback) {
+  var self = this;
   if (!name) {
     throw new Error('A name is required to create a bucket.');
   }
@@ -217,15 +220,16 @@ Storage.prototype.createBucket = function(name, metadata, callback) {
   var body = extend(metadata, {
     name: name
   });
+
   this.makeReq_('POST', '', query, body, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, resp);
       return;
     }
-    var bucket = this.bucket(name);
+    var bucket = self.bucket(name);
     bucket.metadata = resp;
-    callback(null, bucket);
-  }.bind(this));
+    callback(null, bucket, resp);
+  });
 };
 
 /**
@@ -242,7 +246,8 @@ Storage.prototype.createBucket = function(name, metadata, callback) {
  * storage.getBuckets(function(err, buckets, nextQuery) {
  *   if (nextQuery) {
  *     // nextQuery will be non-null if there are more results.
- *     storage.getBuckets(nextQuery, function(err, buckets, nextQuery) {});
+ *     var callback = function(err, buckets, nextQuery, apiResponse){};
+ *     storage.getBuckets(nextQuery, callback);
  *   }
  *
  *   // The `metadata` property is populated for you with the metadata at the
@@ -251,7 +256,7 @@ Storage.prototype.createBucket = function(name, metadata, callback) {
  *
  *   // However, in cases where you are concerned the metadata could have
  *   // changed, use the `getMetadata` method.
- *   buckets[0].getMetadata(function(err, metadata) {});
+ *   buckets[0].getMetadata(function(err, metadata, apiResponse) {});
  * });
  *
  * //-
@@ -259,7 +264,7 @@ Storage.prototype.createBucket = function(name, metadata, callback) {
  * //-
  * storage.getBuckets({
  *   maxResults: 5
- * }, function(err, buckets, nextQuery) {});
+ * }, function(err, buckets, nextQuery, apiResponse) {});
  */
 Storage.prototype.getBuckets = function(query, callback) {
   var that = this;
@@ -270,7 +275,7 @@ Storage.prototype.getBuckets = function(query, callback) {
   query.project = query.project || this.projectId;
   this.makeReq_('GET', '', query, null, function(err, resp) {
     if (err) {
-      callback(err);
+      callback(err, null, null, resp);
       return;
     }
     var buckets = (resp.items || []).map(function(item) {
@@ -282,7 +287,7 @@ Storage.prototype.getBuckets = function(query, callback) {
     if (resp.nextPageToken) {
       nextQuery = extend({}, query, { pageToken: resp.nextPageToken });
     }
-    callback(null, buckets, nextQuery);
+    callback(null, buckets, nextQuery, resp);
   });
 };
 
diff --git a/test/bigquery/dataset.js b/test/bigquery/dataset.js
index eb9e434e151..bf0213de331 100644
--- a/test/bigquery/dataset.js
+++ b/test/bigquery/dataset.js
@@ -89,6 +89,19 @@ describe('BigQuery/Dataset', function() {
       });
     });
 
+    it('should return an apiResponse', function(done) {
+      var resp = { tableReference: { tableId: TABLE_ID } };
+      ds.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      var options = { id: TABLE_ID, schema: SCHEMA_OBJECT };
+      ds.createTable(options, function(err, table, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, resp);
+        done();
+      });
+    });
+
     it('should assign metadata to the Table object', function(done) {
       var metadata = {
         a: 'b',
@@ -144,6 +157,17 @@ describe('BigQuery/Dataset', function() {
         done();
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      ds.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      ds.delete(function(err, apiResponse) {
+        assert.deepEqual(apiResponse, { success: true });
+        done();
+      });
+    });
   });
 
   describe('getMetadata', function() {
@@ -193,6 +217,14 @@ describe('BigQuery/Dataset', function() {
           done();
         });
       });
+
+      it('should execute callback with apiResponse', function(done) {
+        ds.getMetadata(function(err, metadata, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, METADATA);
+          done();
+        });
+      });
     });
   });
 
@@ -239,6 +271,17 @@ describe('BigQuery/Dataset', function() {
       });
     });
 
+    it('should return apiResponse', function(done) {
+      ds.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, { tables: [{ id: 'tableName' }] });
+      };
+      ds.getTables(function(err, tables, nextQuery, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, { tables: [{ id: 'tableName' }] });
+        done();
+      });
+    });
+
     it('should assign metadata to the Table objects', function(done) {
       var tableObjects = [{ a: 'b', c: 'd', id: 'tableName' }];
       ds.makeReq_ = function(method, path, query, body, callback) {
@@ -387,6 +430,14 @@ describe('BigQuery/Dataset', function() {
           done();
         });
       });
+
+      it('should execute callback with apiResponse', function(done) {
+        ds.setMetadata(METADATA, function(err, metadata, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, METADATA);
+          done();
+        });
+      });
     });
   });
 
diff --git a/test/bigquery/index.js b/test/bigquery/index.js
index 5840eb15b47..74098231566 100644
--- a/test/bigquery/index.js
+++ b/test/bigquery/index.js
@@ -107,6 +107,18 @@ describe('BigQuery', function() {
       });
     });
 
+    it('should return an apiResponse', function(done) {
+      var resp = { success: true };
+      bq.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bq.createDataset(DATASET_ID, function(err, dataset, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, resp);
+        done();
+      });
+    });
+
     it('should assign metadata to the Dataset object', function(done) {
       var metadata = { a: 'b', c: 'd' };
       bq.makeReq_ = function(method, path, query, body, callback) {
@@ -180,6 +192,18 @@ describe('BigQuery', function() {
       });
     });
 
+    it('should return Dataset objects', function(done) {
+      var resp = { success: true };
+      bq.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bq.getDatasets(function(err, datasets, nextQuery, apiResponse) {
+        assert.ifError(err);
+        assert.equal(apiResponse, resp);
+        done();
+      });
+    });
+
     it('should assign metadata to the Dataset objects', function(done) {
       var datasetObjects = [
         {
@@ -263,6 +287,18 @@ describe('BigQuery', function() {
       });
     });
 
+    it('should return apiResponse', function(done) {
+      var resp = { jobs: [{ id: JOB_ID }] };
+      bq.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bq.getJobs(function(err, jobs, nextQuery, apiResponse) {
+        assert.ifError(err);
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should assign metadata to the Job objects', function(done) {
       var jobObjects = [{ a: 'b', c: 'd', id: JOB_ID }];
       bq.makeReq_ = function(method, path, query, body, callback) {
@@ -375,6 +411,17 @@ describe('BigQuery', function() {
         });
       });
 
+      it('should return apiResponse', function(done) {
+        bq.query({}, function(err, rows, nextQuery, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, {
+            jobComplete: false,
+            jobReference: { jobId: JOB_ID }
+          });
+          done();
+        });
+      });
+
       it('should not modify original options object', function(done) {
         bq.query(options, function(err) {
           assert.ifError(err);
@@ -661,6 +708,20 @@ describe('BigQuery', function() {
         done();
       });
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var jobsResource = { jobReference: { jobId: JOB_ID }, a: 'b', c: 'd' };
+
+      bq.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, jobsResource);
+      };
+
+      bq.startQuery('query', function(err, job, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, jobsResource);
+        done();
+      });
+    });
   });
 
   describe('makeReq_', function() {
diff --git a/test/bigquery/job.js b/test/bigquery/job.js
index 2c07e957c17..fb95520266b 100644
--- a/test/bigquery/job.js
+++ b/test/bigquery/job.js
@@ -95,6 +95,14 @@ describe('BigQuery/Job', function() {
           done();
         });
       });
+
+      it('should execute callback with apiResponse', function(done) {
+        job.getMetadata(function(err, metadata, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, METADATA);
+          done();
+        });
+      });
     });
   });
 
diff --git a/test/bigquery/table.js b/test/bigquery/table.js
index ab074b8f257..94e3bcadae2 100644
--- a/test/bigquery/table.js
+++ b/test/bigquery/table.js
@@ -217,6 +217,20 @@ describe('BigQuery/Table', function() {
         done();
       });
     });
+
+    it('should pass an apiResponse to the callback', function(done) {
+      var jobMetadata = { jobReference: { jobId: 'job-id' }, a: 'b', c: 'd' };
+
+      table.bigQuery.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, jobMetadata);
+      };
+
+      table.copy(DEST_TABLE, function(err, job, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, jobMetadata);
+        done();
+      });
+    });
   });
 
   describe('createReadStream', function() {
@@ -431,6 +445,18 @@ describe('BigQuery/Table', function() {
 
       table.delete(done);
     });
+
+    it('should return apiResponse in callback', function(done) {
+      var resp = { success: true };
+      table.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      table.delete(function(err, apiResponse) {
+        assert.deepEqual(apiResponse, resp);
+        done();
+      });
+    });
   });
 
   describe('export', function() {
@@ -552,6 +578,20 @@ describe('BigQuery/Table', function() {
         done();
       });
     });
+
+    it('should return apiResponse to callback', function(done) {
+      var jobMetadata = { jobReference: { jobId: 'job-id' }, a: 'b', c: 'd' };
+
+      table.bigQuery.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, jobMetadata);
+      };
+
+      table.export(FILE, function(err, job, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, jobMetadata);
+        done();
+      });
+    });
   });
 
   describe('getMetadata', function() {
@@ -601,6 +641,14 @@ describe('BigQuery/Table', function() {
           done();
         });
       });
+
+      it('should execute callback with apiResponse', function(done) {
+        table.getMetadata(function(err, metadata, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, METADATA);
+          done();
+        });
+      });
     });
   });
 
@@ -669,6 +717,22 @@ describe('BigQuery/Table', function() {
       });
     });
 
+    it('should return apiResponse in callback', function(done) {
+      var rows = [{ f: [{ v: 'stephen' }] }];
+      var schema = { fields: [{ name: 'name', type: 'string' }] };
+      table.metadata = { schema: schema };
+
+      table.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, { rows: rows });
+      };
+
+      table.getRows(function(err, rows, nextQuery, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, { rows: [{ f: [{ v: 'stephen' }] }] });
+        done();
+      });
+    });
+
     it('should pass nextQuery if pageToken is returned', function(done) {
       var options = { a: 'b', c: 'd' };
       var pageToken = 'token';
@@ -814,6 +878,20 @@ describe('BigQuery/Table', function() {
         done();
       });
     });
+
+    it('should return apiResponse to callback', function(done) {
+      var jobMetadata = { jobReference: { jobId: 'job-id' }, a: 'b', c: 'd' };
+
+      table.bigQuery.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, jobMetadata);
+      };
+
+      table.import(FILE, function(err, job, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, jobMetadata);
+        done();
+      });
+    });
   });
 
   describe('insert', function() {
@@ -860,6 +938,18 @@ describe('BigQuery/Table', function() {
       });
     });
 
+    it('should execute callback with apiResponse', function(done) {
+      table.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, { insertErrors: [] });
+      };
+
+      table.insert(data, function(err, insertErrors, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(apiResponse, { insertErrors: [] });
+        done();
+      });
+    });
+
     it('should return errors to the callback', function(done) {
       var row0Error = { message: 'Error.', reason: 'notFound' };
       var row1Error = { message: 'Error.', reason: 'notFound' };
@@ -964,6 +1054,14 @@ describe('BigQuery/Table', function() {
           done();
         });
       });
+
+      it('should execute callback with apiResponse', function(done) {
+        table.setMetadata(METADATA, function(err, metadata, apiResponse) {
+          assert.ifError(err);
+          assert.deepEqual(apiResponse, METADATA);
+          done();
+        });
+      });
     });
   });
 
diff --git a/test/datastore/request.js b/test/datastore/request.js
index 0ca2d091896..bd39a75d512 100644
--- a/test/datastore/request.js
+++ b/test/datastore/request.js
@@ -100,6 +100,17 @@ describe('Request', function() {
       });
     });
 
+    it('should return apiResponse in callback', function(done) {
+      request.makeReq_ = function(method, req, callback) {
+        callback(null, mockRespGet);
+      };
+      request.get(key, function(err, entity, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(mockRespGet, apiResponse);
+        done();
+      });
+    });
+
     it('should multi get by keys', function(done) {
       request.makeReq_ = function(method, req, callback) {
         assert.equal(method, 'lookup');
@@ -240,6 +251,37 @@ describe('Request', function() {
       ], done);
     });
 
+    it('should return apiResponse in callback', function(done) {
+      var key = new entity.Key({ namespace: 'ns', path: ['Company'] });
+      var mockCommitResponse = {
+        mutation_result: {
+          insert_auto_id_key: [
+            {
+              partition_id: {
+                dataset_id: 's~project-id',
+                namespace: 'ns'
+              },
+              path_element: [
+                {
+                  kind: 'Company',
+                  id: 123,
+                  name: null
+                }
+              ]
+            }
+          ]
+        }
+      };
+      request.makeReq_ = function(method, req, callback) {
+        callback(null, mockCommitResponse);
+      };
+      request.save({ key: key, data: {} }, function(err, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(mockCommitResponse, apiResponse);
+        done();
+      });
+    });
+
     it('should not set an indexed value by default', function(done) {
       request.makeReq_ = function(method, req) {
         var property = req.mutation.upsert[0].property[0];
@@ -319,6 +361,18 @@ describe('Request', function() {
       request.delete(key, done);
     });
 
+    it('should return apiResponse in callback', function(done) {
+      var resp = { success: true };
+      request.makeReq_ = function(method, req, callback) {
+        callback(null, resp);
+      };
+      request.delete(key, function(err, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should multi delete by keys', function(done) {
       request.makeReq_ = function(method, req, callback) {
         assert.equal(method, 'commit');
@@ -392,6 +446,18 @@ describe('Request', function() {
       });
     });
 
+    it('should execute callback with apiResponse', function(done) {
+      request.makeReq_ = function(method, req, callback) {
+        callback(null, mockResponse.withResults);
+      };
+
+      request.runQuery(query, function (err, entities, nextQuery, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(mockResponse.withResults, apiResponse);
+        done();
+      });
+    });
+
     it('should return an empty string if no end cursor exists', function(done) {
       request.makeReq_ = function(method, req, callback) {
         callback(null, mockResponse.withResults);
@@ -558,6 +624,23 @@ describe('Request', function() {
       });
     });
 
+    it('should return apiResponse in callback', function(done) {
+      var resp = {
+        key: [
+          { path_element: [{ kind: 'Kind', id: 123 }] }
+        ]
+      };
+      request.makeReq_ = function(method, req, callback) {
+        callback(null, resp);
+      };
+      var incompleteKey = new entity.Key({ namespace: null, path: ['Kind'] });
+      request.allocateIds(incompleteKey, 1, function(err, keys, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should throw if trying to allocate IDs with complete keys', function() {
       assert.throws(function() {
         request.allocateIds(key);
diff --git a/test/datastore/transaction.js b/test/datastore/transaction.js
index f4ee6b735e0..42ec46e4a5e 100644
--- a/test/datastore/transaction.js
+++ b/test/datastore/transaction.js
@@ -131,6 +131,19 @@ describe('Transaction', function() {
         done();
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      transaction.makeReq_ = function(method, req, callback) {
+        callback = callback || req;
+        callback(null, resp);
+      };
+      transaction.begin(function(err, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('rollback', function() {
@@ -158,6 +171,19 @@ describe('Transaction', function() {
       });
     });
 
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      transaction.makeReq_ = function(method, req, callback) {
+        callback = callback || req;
+        callback(null, resp);
+      };
+      transaction.rollback(function(err, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should set skipCommit', function(done) {
       transaction.makeReq_ = function(method, req, callback) {
         callback = callback || req;
@@ -206,6 +232,19 @@ describe('Transaction', function() {
       });
     });
 
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      transaction.makeReq_ = function(method, req, callback) {
+        callback = callback || req;
+        callback(null, resp);
+      };
+      transaction.commit(function(err, apiResponse) {
+        assert.ifError(err);
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should group mutations & execute original methods', function() {
       var deleteArg1 = key(['Product', 123]);
       var deleteArg2 = key(['Product', 234]);
diff --git a/test/pubsub/index.js b/test/pubsub/index.js
index d52c69b1f81..e8b26ed6e7b 100644
--- a/test/pubsub/index.js
+++ b/test/pubsub/index.js
@@ -114,6 +114,17 @@ describe('PubSub', function() {
         assert.equal(err, error);
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      pubsub.makeReq_ = function(method, path, q, body, callback) {
+        callback(null, resp);
+      };
+      pubsub.getTopics(function(err, topics, nextQuery, apiResponse) {
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('createTopic', function() {
@@ -133,6 +144,17 @@ describe('PubSub', function() {
         assert(topic instanceof Topic);
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      pubsub.makeReq_ = function(method, path, q, body, callback) {
+        callback(null, resp);
+      };
+      pubsub.createTopic('new-topic', function(err, topic, apiResponse) {
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('topic', function() {
@@ -200,6 +222,17 @@ describe('PubSub', function() {
         assert.equal(err, error);
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      pubsub.makeReq_ = function(method, path, q, body, callback) {
+        callback(null, resp);
+      };
+      pubsub.getSubscriptions(function(err, topics, nextQuery, apiResponse) {
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('makeReq_', function() {
diff --git a/test/pubsub/subscription.js b/test/pubsub/subscription.js
index cb403c6c137..df66e2648ef 100644
--- a/test/pubsub/subscription.js
+++ b/test/pubsub/subscription.js
@@ -174,6 +174,17 @@ describe('Subscription', function() {
       };
       subscription.ack(1, done);
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = { success: true };
+      subscription.makeReq_ = function(method, path, qs, body, callback) {
+        callback(null, resp);
+      };
+      subscription.ack(1, function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('pull', function() {
@@ -250,6 +261,25 @@ describe('Subscription', function() {
       });
     });
 
+    it('should pass apiResponse to callback', function(done) {
+      var resp = {
+        receivedMessages: [{
+          ackId: 1,
+          message: {
+            messageId: '123',
+            data: new Buffer('message').toString('base64')
+          }
+        }]
+      };
+      subscription.makeReq_ = function(method, path, qs, body, callback) {
+        callback(null, resp);
+      };
+      subscription.pull(function(err, msgs, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     describe('autoAck false', function() {
       beforeEach(function() {
         subscription.autoAck = false;
@@ -323,6 +353,31 @@ describe('Subscription', function() {
       it('should execute callback', function(done) {
         subscription.pull({}, done);
       });
+
+      it('should return pull response as apiResponse', function(done) {
+        var resp = {
+          receivedMessages: [{
+            ackId: 1,
+            message: {
+              messageId: '123',
+              data: new Buffer('message').toString('base64')
+            }
+          }]
+        };
+
+        subscription.ack = function(id, callback) {
+          callback(null, { success: true });
+        };
+
+        subscription.makeReq_ = function(method, path, qs, body, callback) {
+          callback(null, resp);
+        };
+
+        subscription.pull({}, function(err, msgs, apiResponse) {
+          assert.deepEqual(resp, apiResponse);
+          done();
+        });
+      });
     });
   });
 
@@ -392,6 +447,24 @@ describe('Subscription', function() {
         .startPulling_();
     });
 
+    it('should emit an error event with apiResponse', function(done) {
+      var error = new Error('Error.');
+      var resp = { success: false };
+      subscription.pull = function(options, callback) {
+        subscription.pull = function() {};
+        setImmediate(function() {
+          callback(error, null, resp);
+        });
+      };
+      subscription
+        .once('error', function(err, apiResponse) {
+          assert.equal(err, error);
+          assert.deepEqual(resp, apiResponse);
+          done();
+        })
+        .startPulling_();
+    });
+
     it('should emit a message event', function(done) {
       subscription.pull = function(options, callback) {
         callback(null, [{ hi: 'there' }]);
@@ -402,6 +475,18 @@ describe('Subscription', function() {
           done();
         });
     });
+
+    it('should emit a message event with apiResponse', function(done) {
+      var resp = { success: true, msgs: [{ hi: 'there' }] };
+      subscription.pull = function(options, callback) {
+        callback(null, [{ hi: 'there' }], resp);
+      };
+      subscription
+        .once('message', function(msg, apiResponse) {
+          assert.deepEqual(resp, apiResponse);
+          done();
+        });
+    });
   });
 
   describe('delete', function() {
@@ -450,6 +535,17 @@ describe('Subscription', function() {
         done();
       });
     });
+
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      subscription.makeReq_ = function(method, path, qs, body, callback) {
+        callback(null, resp);
+      };
+      subscription.delete(function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('setAckDeadline', function() {
@@ -470,6 +566,17 @@ describe('Subscription', function() {
       };
       subscription.setAckDeadline({}, done);
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      subscription.makeReq_ = function(method, path, qs, body, callback) {
+        callback(null, resp);
+      };
+      subscription.setAckDeadline({}, function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('formatMessage_', function() {
diff --git a/test/pubsub/topic.js b/test/pubsub/topic.js
index 9f281f0dd4f..cdd90154c87 100644
--- a/test/pubsub/topic.js
+++ b/test/pubsub/topic.js
@@ -165,6 +165,18 @@ describe('Topic', function() {
 
       topic.publish(messageObject, done);
     });
+
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      topic.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      topic.publish(messageObject, function(err, ackIds, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('publish to non-existing topic', function() {
@@ -220,6 +232,17 @@ describe('Topic', function() {
       };
       topic.delete(done);
     });
+
+    it('should call the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      topic.makeReq_ = function(method, path, q, body, callback) {
+        callback(null, resp);
+      };
+      topic.delete(function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('subscriptions', function() {
@@ -228,7 +251,6 @@ describe('Topic', function() {
     var CONFIG = { autoAck: true, interval: 90 };
 
     describe('getSubscriptions', function() {
-
       it('should pass query', function(done) {
         var query = { pageToken: 1, maxResults: 3 };
         topic.getSubscriptions = function(q) {
@@ -245,6 +267,17 @@ describe('Topic', function() {
         };
         topic.getSubscriptions({}, done);
       });
+
+      it('should pass apiResponse with callback', function(done) {
+        var resp = { success: true };
+        topic.getSubscriptions = function(q, callback) {
+          callback(null, [], resp);
+        };
+        topic.getSubscriptions({}, function(err, subs, apiResponse) {
+          assert.deepEqual(resp, apiResponse);
+          done();
+        });
+      });
     });
 
     describe('subscribe', function() {
@@ -289,6 +322,17 @@ describe('Topic', function() {
         });
       });
 
+      it('should return apiResponse to the callback', function(done) {
+        var resp = { success: true };
+        topic.makeReq_ = function(method, path, qs, body, callback) {
+          callback(null, resp);
+        };
+        topic.subscribe(SUB_NAME, function(err, sub, apiResponse) {
+          assert.deepEqual(resp, apiResponse);
+          done();
+        });
+      });
+
       it('should create a new subscription', function(done) {
         topic.subscription = function(name) {
           assert.equal(name, SUB_NAME);
diff --git a/test/storage/acl.js b/test/storage/acl.js
index 03e92e653df..e2e2ba160f9 100644
--- a/test/storage/acl.js
+++ b/test/storage/acl.js
@@ -50,7 +50,6 @@ describe('storage/acl', function() {
         assert.equal(path, '');
         assert.strictEqual(query, null);
         assert.deepEqual(body, { entity: ENTITY, role: ROLE });
-
         done();
       };
 
@@ -87,6 +86,18 @@ describe('storage/acl', function() {
         done();
       });
     });
+
+    it('executes the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      acl.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      acl.add({ entity: ENTITY, role: ROLE }, function(err, acls, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('delete', function() {
@@ -113,6 +124,18 @@ describe('storage/acl', function() {
         done();
       });
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      acl.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      acl.delete({ entity: ENTITY }, function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('get', function() {
@@ -229,6 +252,18 @@ describe('storage/acl', function() {
         done();
       });
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      acl.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      acl.get(function(err, acls, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('update', function() {
@@ -274,6 +309,19 @@ describe('storage/acl', function() {
         done();
       });
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var resp = { success: true };
+      acl.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+
+      var config = { entity: ENTITY, role: ROLE };
+      acl.update(config, function(err, acls, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('makeAclObject_', function() {
diff --git a/test/storage/bucket.js b/test/storage/bucket.js
index 9333db5c63a..9e185308c32 100644
--- a/test/storage/bucket.js
+++ b/test/storage/bucket.js
@@ -285,6 +285,21 @@ describe('Bucket', function() {
         done();
       });
     });
+
+    it('should execute the callback with apiResponse', function(done) {
+      var sources = [bucket.file('1.txt'), bucket.file('2.txt')];
+      var destination = 'destination.txt';
+      var resp = { success: true };
+
+      bucket.storage.makeAuthorizedRequest_ = function(reqOpts, callback) {
+        callback(null, resp);
+      };
+
+      bucket.combine(sources, destination, function(err, obj, apiResponse) {
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('delete', function() {
@@ -305,6 +320,17 @@ describe('Bucket', function() {
       };
       bucket.delete(done);
     });
+
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      bucket.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bucket.delete(function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('file', function() {
@@ -377,6 +403,17 @@ describe('Bucket', function() {
       });
     });
 
+    it('should return apiResponse in callback', function(done) {
+      var resp = { items: [{ name: 'fake-file-name' }] };
+      bucket.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bucket.getFiles(function(err, files, nextQuery, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should populate returned File object with metadata', function(done) {
       var fileMetadata = {
         name: 'filename',
@@ -437,6 +474,17 @@ describe('Bucket', function() {
         done();
       });
     });
+
+    it('should pass apiResponse to callback', function(done) {
+      var resp = metadata;
+      bucket.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bucket.getMetadata(function(err, fileMetadata, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('makePublic', function() {
@@ -591,6 +639,17 @@ describe('Bucket', function() {
       bucket.setMetadata(metadata, done);
     });
 
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      bucket.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      bucket.setMetadata(metadata, function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should update internal metadata property', function() {
       bucket.makeReq_ = function(method, path, query, body, callback) {
         callback(null, metadata);
diff --git a/test/storage/file.js b/test/storage/file.js
index 857478ab290..a1dd7ae5ee8 100644
--- a/test/storage/file.js
+++ b/test/storage/file.js
@@ -217,8 +217,9 @@ describe('File', function() {
 
     describe('returned File object', function() {
       beforeEach(function() {
+        var resp = { success: true };
         file.makeReq_ = function(method, path, qs, body, callback) {
-          callback();
+          callback(null, resp);
         };
       });
 
@@ -251,6 +252,14 @@ describe('File', function() {
           done();
         });
       });
+
+      it('should pass apiResponse into callback', function(done) {
+        var newBucket = new Bucket({}, 'new-bucket');
+        file.copy(newBucket, function(err, copiedFile, apiResponse) {
+          assert.deepEqual({ success: true }, apiResponse);
+          done();
+        });
+      });
     });
   });
 
@@ -796,6 +805,17 @@ describe('File', function() {
       };
       file.delete(done);
     });
+
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      file.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      file.delete(function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('download', function() {
@@ -960,6 +980,17 @@ describe('File', function() {
       file.getMetadata(done);
     });
 
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      file.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      file.getMetadata(function(err, metadata, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should update metadata property on object', function() {
       file.makeReq_ = function(method, path, query, body, callback) {
         callback(null, metadata);
@@ -1070,6 +1101,17 @@ describe('File', function() {
       file.setMetadata(metadata, done);
     });
 
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      file.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      file.setMetadata(metadata, function(err, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should update internal metadata property', function() {
       file.makeReq_ = function(method, path, query, body, callback) {
         callback(null, metadata);
diff --git a/test/storage/index.js b/test/storage/index.js
index 92ba69f0424..3985eb6b731 100644
--- a/test/storage/index.js
+++ b/test/storage/index.js
@@ -116,6 +116,17 @@ describe('Storage', function() {
         done();
       });
     });
+
+    it('should execute callback with apiResponse', function(done) {
+      var resp = { success: true };
+      storage.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      storage.createBucket(BUCKET_NAME, function(err, bucket, apiResponse) {
+        assert.equal(resp, apiResponse);
+        done();
+      });
+    });
   });
 
   describe('getBuckets', function() {
@@ -174,6 +185,17 @@ describe('Storage', function() {
       });
     });
 
+    it('should return apiResponse', function(done) {
+      var resp = { items: [{ id: 'fake-bucket-name' }] };
+      storage.makeReq_ = function(method, path, query, body, callback) {
+        callback(null, resp);
+      };
+      storage.getBuckets(function(err, buckets, nextQuery, apiResponse) {
+        assert.deepEqual(resp, apiResponse);
+        done();
+      });
+    });
+
     it('should populate returned Bucket object with metadata', function(done) {
       var bucketMetadata = {
         id: 'bucketname',
@@ -192,8 +214,4 @@ describe('Storage', function() {
       });
     });
   });
-
-  describe('makeReq_', function() {
-
-  });
 });