diff --git a/Octokit/Clients/CheckRunsClient.cs b/Octokit/Clients/CheckRunsClient.cs
index b5142b4feb..5a1616214c 100644
--- a/Octokit/Clients/CheckRunsClient.cs
+++ b/Octokit/Clients/CheckRunsClient.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace Octokit
@@ -102,7 +103,7 @@ public Task<IReadOnlyList<CheckRun>> GetAllForCheckSuite(long repositoryId, long
             return GetAllForCheckSuite(repositoryId, checkSuiteId, checkRunRequest, ApiOptions.None);
         }
 
-        public Task<IReadOnlyList<CheckRun>> GetAllForReference(string owner, string name, string reference, CheckRunRequest checkRunRequest, ApiOptions options)
+        public async Task<IReadOnlyList<CheckRun>> GetAllForReference(string owner, string name, string reference, CheckRunRequest checkRunRequest, ApiOptions options)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, nameof(owner));
             Ensure.ArgumentNotNullOrEmptyString(name, nameof(name));
@@ -110,34 +111,38 @@ public Task<IReadOnlyList<CheckRun>> GetAllForReference(string owner, string nam
             Ensure.ArgumentNotNull(checkRunRequest, nameof(checkRunRequest));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            throw new NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckRunList>(ApiUrls.ReferenceCheckRuns(owner, name, reference), checkRunRequest.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckRuns).ToList();
         }
 
-        public Task<IReadOnlyList<CheckRun>> GetAllForReference(long repositoryId, string reference, CheckRunRequest checkRunRequest, ApiOptions options)
+        public async Task<IReadOnlyList<CheckRun>> GetAllForReference(long repositoryId, string reference, CheckRunRequest checkRunRequest, ApiOptions options)
         {
             Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
             Ensure.ArgumentNotNull(checkRunRequest, nameof(checkRunRequest));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            throw new NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckRunList>(ApiUrls.ReferenceCheckRuns(repositoryId, reference), checkRunRequest.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckRuns).ToList();
         }
 
-        public Task<IReadOnlyList<CheckRun>> GetAllForCheckSuite(string owner, string name, long checkSuiteId, CheckRunRequest checkRunRequest, ApiOptions options)
+        public async Task<IReadOnlyList<CheckRun>> GetAllForCheckSuite(string owner, string name, long checkSuiteId, CheckRunRequest checkRunRequest, ApiOptions options)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, nameof(owner));
             Ensure.ArgumentNotNullOrEmptyString(name, nameof(name));
             Ensure.ArgumentNotNull(checkRunRequest, nameof(checkRunRequest));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            throw new NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckRunList>(ApiUrls.CheckSuiteRuns(owner, name, checkSuiteId), checkRunRequest.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckRuns).ToList();
         }
 
-        public Task<IReadOnlyList<CheckRun>> GetAllForCheckSuite(long repositoryId, long checkSuiteId, CheckRunRequest checkRunRequest, ApiOptions options)
+        public async Task<IReadOnlyList<CheckRun>> GetAllForCheckSuite(long repositoryId, long checkSuiteId, CheckRunRequest checkRunRequest, ApiOptions options)
         {
             Ensure.ArgumentNotNull(checkRunRequest, nameof(checkRunRequest));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            throw new NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckRunList>(ApiUrls.CheckSuiteRuns(repositoryId, checkSuiteId), checkRunRequest.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckRuns).ToList();
         }
 
         public Task<CheckRun> Update(string owner, string name, long checkRunId, CheckRunUpdate checkRunUpdate)
diff --git a/Octokit/Clients/CheckSuitesClient.cs b/Octokit/Clients/CheckSuitesClient.cs
index 7c53ab38bf..28398af878 100644
--- a/Octokit/Clients/CheckSuitesClient.cs
+++ b/Octokit/Clients/CheckSuitesClient.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace Octokit
@@ -44,14 +45,14 @@ public Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string n
             Ensure.ArgumentNotNullOrEmptyString(name, nameof(name));
             Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
 
-            return GetAllForReference(owner, name, reference, ApiOptions.None);
+            return GetAllForReference(owner, name, reference, new CheckSuiteRequest(), ApiOptions.None);
         }
 
         public Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference)
         {
             Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
 
-            return GetAllForReference(repositoryId, reference, ApiOptions.None);
+            return GetAllForReference(repositoryId, reference, new CheckSuiteRequest(), ApiOptions.None);
         }
 
         public Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, CheckSuiteRequest request)
@@ -71,25 +72,7 @@ public Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, str
             return GetAllForReference(repositoryId, reference, request, ApiOptions.None);
         }
 
-        public Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, ApiOptions request)
-        {
-            Ensure.ArgumentNotNullOrEmptyString(owner, nameof(owner));
-            Ensure.ArgumentNotNullOrEmptyString(name, nameof(name));
-            Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
-            Ensure.ArgumentNotNull(request, nameof(request));
-
-            throw new System.NotImplementedException();
-        }
-
-        public Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, ApiOptions options)
-        {
-            Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
-            Ensure.ArgumentNotNull(options, nameof(options));
-
-            throw new System.NotImplementedException();
-        }
-
-        public Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, CheckSuiteRequest request, ApiOptions options)
+        public async Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, CheckSuiteRequest request, ApiOptions options)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, nameof(owner));
             Ensure.ArgumentNotNullOrEmptyString(name, nameof(name));
@@ -97,16 +80,18 @@ public Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string n
             Ensure.ArgumentNotNull(request, nameof(request));
             Ensure.ArgumentNotNull(options, nameof(options));
 
-            throw new System.NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckSuiteList>(ApiUrls.ReferenceCheckSuites(owner, name, reference), request.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckSuites).ToList();
         }
 
-        public Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, CheckSuiteRequest request, ApiOptions options)
+        public async Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, CheckSuiteRequest request, ApiOptions options)
         {
             Ensure.ArgumentNotNull(request, nameof(request));
             Ensure.ArgumentNotNull(options, nameof(options));
             Ensure.ArgumentNotNullOrEmptyString(reference, nameof(reference));
 
-            throw new System.NotImplementedException();
+            var results = await ApiConnection.GetAll<CheckSuiteList>(ApiUrls.ReferenceCheckSuites(repositoryId, reference), request.ToParametersDictionary(), AcceptHeaders.ChecksApiPreview, options).ConfigureAwait(false);
+            return results.SelectMany(x => x.CheckSuites).ToList();
         }
 
         public Task<CheckSuite> Request(string owner, string name, CheckSuiteTriggerRequest request)
diff --git a/Octokit/Clients/ICheckSuitesClient.cs b/Octokit/Clients/ICheckSuitesClient.cs
index b425218ef1..18f96dab11 100644
--- a/Octokit/Clients/ICheckSuitesClient.cs
+++ b/Octokit/Clients/ICheckSuitesClient.cs
@@ -11,8 +11,6 @@ public interface ICheckSuitesClient
         Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference);
         Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, CheckSuiteRequest request);
         Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, CheckSuiteRequest request);
-        Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, ApiOptions options);
-        Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, ApiOptions options);
         Task<IReadOnlyList<CheckSuite>> GetAllForReference(string owner, string name, string reference, CheckSuiteRequest request, ApiOptions options);
         Task<IReadOnlyList<CheckSuite>> GetAllForReference(long repositoryId, string reference, CheckSuiteRequest request, ApiOptions options);
         Task<CheckSuitePreferences> UpdatePreferences(string owner, string name, AutoTriggerChecksObject preferences);
diff --git a/Octokit/Models/Response/CheckRunList.cs b/Octokit/Models/Response/CheckRunList.cs
new file mode 100644
index 0000000000..8db48ca360
--- /dev/null
+++ b/Octokit/Models/Response/CheckRunList.cs
@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+
+namespace Octokit
+{
+    public class CheckRunList
+    {
+        public CheckRunList()
+        {
+        }
+
+        public CheckRunList(int totalCount, IReadOnlyList<CheckRun> checkRuns)
+        {
+            TotalCount = totalCount;
+            CheckRuns = checkRuns;
+        }
+
+        public int TotalCount { get; protected set; }
+
+        public IReadOnlyList<CheckRun> CheckRuns { get; protected set; }
+    }
+}
diff --git a/Octokit/Models/Response/CheckSuiteList.cs b/Octokit/Models/Response/CheckSuiteList.cs
new file mode 100644
index 0000000000..687906c5e5
--- /dev/null
+++ b/Octokit/Models/Response/CheckSuiteList.cs
@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+
+namespace Octokit
+{
+    public class CheckSuiteList
+    {
+        public CheckSuiteList()
+        {
+        }
+
+        public CheckSuiteList(int totalCount, IReadOnlyList<CheckSuite> checkSuites)
+        {
+            TotalCount = totalCount;
+            CheckSuites = checkSuites;
+        }
+
+        public int TotalCount { get; protected set; }
+
+        public IReadOnlyList<CheckSuite> CheckSuites { get; protected set; }
+    }
+}