diff --git a/bin/update-readmes.js b/bin/update-readmes.js
index 9bb32bd7c9e08..91be89cd2912c 100755
--- a/bin/update-readmes.js
+++ b/bin/update-readmes.js
@@ -6,7 +6,7 @@ const childProcess = require( 'child_process' );
 const packages = [
 	'a11y',
 	//'autop',
-	//'blob',
+	'blob',
 	//'block-editor',
 	//'block-library',
 	//'block-serialization-default-parser',
diff --git a/packages/blob/README.md b/packages/blob/README.md
index d8f1b1b359aa4..c0aed95f3b17b 100644
--- a/packages/blob/README.md
+++ b/packages/blob/README.md
@@ -10,4 +10,65 @@ Install the module
 npm install @wordpress/blob --save
 ```
 
+## API
+
+<!-- START TOKEN(Autogenerated API docs) -->
+
+### createBlobURL
+
+[src/index.js#L15-L21](src/index.js#L15-L21)
+
+Create a blob URL from a file.
+
+**Parameters**
+
+-   **file** `File`: The file to create a blob URL for.
+
+**Returns**
+
+`string`: The blob URL.
+
+### getBlobByURL
+
+[src/index.js#L32-L34](src/index.js#L32-L34)
+
+Retrieve a file based on a blob URL. The file must have been created by
+`createBlobURL` and not removed by `revokeBlobURL`, otherwise it will return
+`undefined`.
+
+**Parameters**
+
+-   **url** `string`: The blob URL.
+
+**Returns**
+
+`?File`: The file for the blob URL.
+
+### isBlobURL
+
+[src/index.js#L56-L61](src/index.js#L56-L61)
+
+Check whether a url is a blob url.
+
+**Parameters**
+
+-   **url** `string`: The URL.
+
+**Returns**
+
+`boolean`: Is the url a blob url?
+
+### revokeBlobURL
+
+[src/index.js#L41-L47](src/index.js#L41-L47)
+
+Remove the resource and file cache from memory.
+
+**Parameters**
+
+-   **url** `string`: The blob URL.
+
+
+<!-- END TOKEN(Autogenerated API docs) -->
+
 <br/><br/><p align="center"><img src="https://s.w.org/style/images/codeispoetry.png?1" alt="Code is Poetry." /></p>