diff --git a/src/SOL005/NSFaultManagement/NSFaultManagement.yaml b/src/SOL005/NSFaultManagement/NSFaultManagement.yaml
index 188cb786900474aa7cbd8c183585961502bfb497..e3d901abaad98ba23ac9c0294b1b99a9a3d80ebd 100644
--- a/src/SOL005/NSFaultManagement/NSFaultManagement.yaml
+++ b/src/SOL005/NSFaultManagement/NSFaultManagement.yaml
@@ -27,6 +27,57 @@ produces:
   - "application/json"
 paths:
   ###############################################################################
+  # API Versions                                                                #
+  ###############################################################################
+  '/api-versions':
+    get:
+      summary: Retrieve API version information
+      description: >
+        The GET method reads API version information. This method shall follow the provisions specified in
+        table 4.6.3.3.3.2-1 for request and response data structures, and response codes. URI query parameters are not
+        supported.
+      parameters:
+        - name: Version
+          description: >
+            Version of the API requested to use when responding to this request.
+          in: header
+          required: false
+          type: string
+      responses:
+        200:
+          description: >
+            200 OK
+            
+            API version information was read successfully.
+            The response body shall contain API version information, as defined in clause 4.4.1.7.
+          schema:
+            $ref: '../definitions/SOL005_def.yaml#/definitions/ApiVersionInformation'
+          headers:
+            Content-Type:
+              description: The MIME type of the body of the response.
+              type: string
+              maximum: 1
+              minimum: 1
+            Version:
+              description: The used API version.
+              type: string
+              maximum: 1
+              minimum: 1
+        400: { $ref: '../responses/SOL005_resp.yaml#/responses/400' }
+        401: { $ref: '../responses/SOL005_resp.yaml#/responses/401' }
+        403: { $ref: '../responses/SOL005_resp.yaml#/responses/403' }
+        404: { $ref: '../responses/SOL005_resp.yaml#/responses/404' }
+        405: { $ref: '../responses/SOL005_resp.yaml#/responses/405' }
+        406: { $ref: '../responses/SOL005_resp.yaml#/responses/406' }
+        413: { $ref: '../responses/SOL005_resp.yaml#/responses/413' }
+        414: { $ref: '../responses/SOL005_resp.yaml#/responses/414' }
+        416: { $ref: '../responses/SOL005_resp.yaml#/responses/416' }
+        422: { $ref: '../responses/SOL005_resp.yaml#/responses/422' }
+        429: { $ref: '../responses/SOL005_resp.yaml#/responses/429' }
+        500: { $ref: '../responses/SOL005_resp.yaml#/responses/500' }
+        503: { $ref: '../responses/SOL005_resp.yaml#/responses/503' }
+        504: { $ref: '../responses/SOL005_resp.yaml#/responses/504' }
+  ###############################################################################
   # Alarms                                                                      #
   ###############################################################################
   '/alarms':
diff --git a/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml b/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
index 5ddfb7804a513921779c97634bcefa075fd7d8be..b5147fddf9ad7fa095612761b00f3ca20f21c2ea 100644
--- a/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
+++ b/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
@@ -27,6 +27,57 @@ produces:
   - "application/json"
 paths:
   ###############################################################################
+  # API Versions                                                                #
+  ###############################################################################
+  '/api-versions':
+    get:
+      summary: Retrieve API version information
+      description: >
+        The GET method reads API version information. This method shall follow the provisions specified in
+        table 4.6.3.3.3.2-1 for request and response data structures, and response codes. URI query parameters are not
+        supported.
+      parameters:
+        - name: Version
+          description: >
+            Version of the API requested to use when responding to this request.
+          in: header
+          required: false
+          type: string
+      responses:
+        200:
+          description: >
+            200 OK
+            
+            API version information was read successfully.
+            The response body shall contain API version information, as defined in clause 4.4.1.7.
+          schema:
+            $ref: '../definitions/SOL005_def.yaml#/definitions/ApiVersionInformation'
+          headers:
+            Content-Type:
+              description: The MIME type of the body of the response.
+              type: string
+              maximum: 1
+              minimum: 1
+            Version:
+              description: The used API version.
+              type: string
+              maximum: 1
+              minimum: 1
+        400: { $ref: '../responses/SOL005_resp.yaml#/responses/400' }
+        401: { $ref: '../responses/SOL005_resp.yaml#/responses/401' }
+        403: { $ref: '../responses/SOL005_resp.yaml#/responses/403' }
+        404: { $ref: '../responses/SOL005_resp.yaml#/responses/404' }
+        405: { $ref: '../responses/SOL005_resp.yaml#/responses/405' }
+        406: { $ref: '../responses/SOL005_resp.yaml#/responses/406' }
+        413: { $ref: '../responses/SOL005_resp.yaml#/responses/413' }
+        414: { $ref: '../responses/SOL005_resp.yaml#/responses/414' }
+        416: { $ref: '../responses/SOL005_resp.yaml#/responses/416' }
+        422: { $ref: '../responses/SOL005_resp.yaml#/responses/422' }
+        429: { $ref: '../responses/SOL005_resp.yaml#/responses/429' }
+        500: { $ref: '../responses/SOL005_resp.yaml#/responses/500' }
+        503: { $ref: '../responses/SOL005_resp.yaml#/responses/503' }
+        504: { $ref: '../responses/SOL005_resp.yaml#/responses/504' }
+  ###############################################################################
   # NSInstances                                                                 #
   ###############################################################################
   '/ns_instances':
diff --git a/src/SOL005/VNFPackageManagement/VNFPackageManagement.yaml b/src/SOL005/VNFPackageManagement/VNFPackageManagement.yaml
index 452e2d13c290c39903e1c3cbb4a771d7bae9e04f..51b5d36fb936337ac9e149c1fd4f15287011fe37 100644
--- a/src/SOL005/VNFPackageManagement/VNFPackageManagement.yaml
+++ b/src/SOL005/VNFPackageManagement/VNFPackageManagement.yaml
@@ -27,6 +27,57 @@ produces:
   - "application/json"
 paths:
   ###############################################################################
+  # API Versions                                                                #
+  ###############################################################################
+  '/api-versions':
+    get:
+      summary: Retrieve API version information
+      description: >
+        The GET method reads API version information. This method shall follow the provisions specified in
+        table 4.6.3.3.3.2-1 for request and response data structures, and response codes. URI query parameters are not
+        supported.
+      parameters:
+        - name: Version
+          description: >
+            Version of the API requested to use when responding to this request.
+          in: header
+          required: false
+          type: string
+      responses:
+        200:
+          description: >
+            200 OK
+            
+            API version information was read successfully.
+            The response body shall contain API version information, as defined in clause 4.4.1.7.
+          schema:
+            $ref: '../definitions/SOL005_def.yaml#/definitions/ApiVersionInformation'
+          headers:
+            Content-Type:
+              description: The MIME type of the body of the response.
+              type: string
+              maximum: 1
+              minimum: 1
+            Version:
+              description: The used API version.
+              type: string
+              maximum: 1
+              minimum: 1
+        400: { $ref: '../responses/SOL005_resp.yaml#/responses/400' }
+        401: { $ref: '../responses/SOL005_resp.yaml#/responses/401' }
+        403: { $ref: '../responses/SOL005_resp.yaml#/responses/403' }
+        404: { $ref: '../responses/SOL005_resp.yaml#/responses/404' }
+        405: { $ref: '../responses/SOL005_resp.yaml#/responses/405' }
+        406: { $ref: '../responses/SOL005_resp.yaml#/responses/406' }
+        413: { $ref: '../responses/SOL005_resp.yaml#/responses/413' }
+        414: { $ref: '../responses/SOL005_resp.yaml#/responses/414' }
+        416: { $ref: '../responses/SOL005_resp.yaml#/responses/416' }
+        422: { $ref: '../responses/SOL005_resp.yaml#/responses/422' }
+        429: { $ref: '../responses/SOL005_resp.yaml#/responses/429' }
+        500: { $ref: '../responses/SOL005_resp.yaml#/responses/500' }
+        503: { $ref: '../responses/SOL005_resp.yaml#/responses/503' }
+        504: { $ref: '../responses/SOL005_resp.yaml#/responses/504' }
+  ###############################################################################
   # VNF Packages                                                                #
   ###############################################################################
   '/vnf_packages':