diff --git a/.changeset/gentle-lies-provide.md b/.changeset/gentle-lies-provide.md
deleted file mode 100644
index 432336003d..0000000000
--- a/.changeset/gentle-lies-provide.md
+++ /dev/null
@@ -1,28 +0,0 @@
----
-"@vue-storefront/middleware": minor
----
-
-[ADDED] Added factory function for the extension API. Previously the extension API was an object with a set of methods. Now it can be created using a factory function the same way as the base API.
-
-Previously only object was allowed:
-
-```ts
-export const extension: ApiClientExtension = {
-  name: "extension",
-  extendApiMethods: {
-    ...extendedMethods, //methods as an object
-  },
-};
-```
-
-Now you can either use an object or a factory function:
-
-```ts
-export const extension: ApiClientExtension = {
-  name: "extension",
-  // methods as a factory function with injected config object
-  extendApiMethods: ({ config }) => {
-    return createMyMethods(config);
-  },
-};
-```
diff --git a/docs/content/3.middleware/3.api/middleware.api.json b/docs/content/3.middleware/3.api/middleware.api.json
index a9aa53256f..181d1d05b7 100644
--- a/docs/content/3.middleware/3.api/middleware.api.json
+++ b/docs/content/3.middleware/3.api/middleware.api.json
@@ -701,6 +701,14 @@
               "kind": "Content",
               "text": "any"
             },
+            {
+              "kind": "Content",
+              "text": ", CONFIG = "
+            },
+            {
+              "kind": "Content",
+              "text": "any"
+            },
             {
               "kind": "Content",
               "text": "> "
@@ -730,6 +738,17 @@
                 "startIndex": 3,
                 "endIndex": 4
               }
+            },
+            {
+              "typeParameterName": "CONFIG",
+              "constraintTokenRange": {
+                "startIndex": 0,
+                "endIndex": 0
+              },
+              "defaultTypeTokenRange": {
+                "startIndex": 5,
+                "endIndex": 6
+              }
             }
           ],
           "name": "ApiClientExtension",
@@ -751,7 +770,25 @@
                 },
                 {
                   "kind": "Content",
-                  "text": "<API, CONTEXT>"
+                  "text": "<API, CONTEXT> | "
+                },
+                {
+                  "kind": "Reference",
+                  "text": "ApiMethodsFactory",
+                  "canonicalReference": "@vue-storefront/middleware!ApiMethodsFactory:type"
+                },
+                {
+                  "kind": "Content",
+                  "text": "<"
+                },
+                {
+                  "kind": "Reference",
+                  "text": "ExtendApiMethod",
+                  "canonicalReference": "@vue-storefront/middleware!ExtendApiMethod:type"
+                },
+                {
+                  "kind": "Content",
+                  "text": "<API, CONTEXT>, CONFIG>"
                 },
                 {
                   "kind": "Content",
@@ -764,7 +801,7 @@
               "name": "extendApiMethods",
               "propertyTypeTokenRange": {
                 "startIndex": 1,
-                "endIndex": 3
+                "endIndex": 7
               }
             },
             {
@@ -2214,7 +2251,7 @@
             },
             {
               "kind": "Content",
-              "text": "(configuration: CONFIG) => API"
+              "text": "(configuration: {\n    config: CONFIG;\n}) => API"
             },
             {
               "kind": "Content",
diff --git a/docs/content/3.middleware/4.reference/change-log.md b/docs/content/3.middleware/4.reference/change-log.md
index 73c9ee4f6a..2dc43ce134 100644
--- a/docs/content/3.middleware/4.reference/change-log.md
+++ b/docs/content/3.middleware/4.reference/change-log.md
@@ -1,5 +1,34 @@
 # Change log
 
+## 4.3.0
+
+### Minor Changes
+
+- **[ADDED]** Added factory function for the extension API. Previously the extension API was an object with a set of methods. Now it can be created using a factory function the same way as the base API.
+
+Previously only object was allowed:
+
+```ts
+export const extension: ApiClientExtension = {
+  name: "extension",
+  extendApiMethods: {
+    ...extendedMethods, //methods as an object
+  },
+};
+```
+
+Now you can either use an object or a factory function:
+
+```ts
+export const extension: ApiClientExtension = {
+  name: "extension",
+  // methods as a factory function with injected config object
+  extendApiMethods: ({ config }) => {
+    return createMyMethods(config);
+  },
+};
+```
+
 ## 4.2.0
 
 ### Minor Changes
diff --git a/packages/middleware/CHANGELOG.md b/packages/middleware/CHANGELOG.md
index 73c9ee4f6a..2dc43ce134 100644
--- a/packages/middleware/CHANGELOG.md
+++ b/packages/middleware/CHANGELOG.md
@@ -1,5 +1,34 @@
 # Change log
 
+## 4.3.0
+
+### Minor Changes
+
+- **[ADDED]** Added factory function for the extension API. Previously the extension API was an object with a set of methods. Now it can be created using a factory function the same way as the base API.
+
+Previously only object was allowed:
+
+```ts
+export const extension: ApiClientExtension = {
+  name: "extension",
+  extendApiMethods: {
+    ...extendedMethods, //methods as an object
+  },
+};
+```
+
+Now you can either use an object or a factory function:
+
+```ts
+export const extension: ApiClientExtension = {
+  name: "extension",
+  // methods as a factory function with injected config object
+  extendApiMethods: ({ config }) => {
+    return createMyMethods(config);
+  },
+};
+```
+
 ## 4.2.0
 
 ### Minor Changes
diff --git a/packages/middleware/package.json b/packages/middleware/package.json
index 2634c3fccc..73afc2eb5b 100644
--- a/packages/middleware/package.json
+++ b/packages/middleware/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue-storefront/middleware",
-  "version": "4.2.0",
+  "version": "4.3.0",
   "main": "lib/index.cjs.js",
   "module": "lib/index.es.js",
   "types": "lib/index.d.ts",