diff --git a/README.md b/README.md
index dd683e9..f9c5381 100644
--- a/README.md
+++ b/README.md
@@ -11,5 +11,15 @@
 
 ## Functional description
 
-see the file [swagger.yaml](swagger.yaml).
+###Configurations
+* Gateway cant call "/configurations" to fetch configurations.
+* "type" filter is supported.
+* Long-polling is supported.
+* A configuration can be fetched by id "/configurations/{configId}"
+
+###Blobs
+* A blob can be downloaded by id "/blobs/{blobId}"
+
+
+For details, check the file [apidGatewayConfDeploy-api.yaml](swagger.yaml).
 
diff --git a/apidGatewayConfDeploy-api.yaml b/apidGatewayConfDeploy-api.yaml
index cc1011f..c00d79a 100644
--- a/apidGatewayConfDeploy-api.yaml
+++ b/apidGatewayConfDeploy-api.yaml
@@ -48,30 +48,54 @@
           in: "query"
           type: string
           description: "Long poll block duration in seconds"
-        - name: "If-None-Match" 
-          in: "header"
+        - name: "apid-config-index"
+          in: "query"
           type: string
-          description: "ETag value from request in previous request" 
+          description: "x-apid-config-index value from request in previous request"
+        - name: "type"
+          in: "query"
+          type: string
+          description: "filter configurations by type. When type filter is given, long-polling is not supported"
       responses:
         200:
           description: Successful response
           headers:
-            ETag:
+            x-apid-config-index:
               type: "string"
               description: "client can use this for response caching"        
           schema:
             $ref: '#/definitions/ConfigurationsResponse'
         304:
           description: Not Modified, No change in response based on If-None-Match header value. Cache representation.
-          headers:
-            ETag:
-              type: "string"
-              description: "client can use this for response caching"                    
         default:
           description: Error response
           schema:
             $ref: '#/definitions/ErrorResponse'
- 
+
+  /configurations/{configId}:
+    get:
+      tags:
+      - "configurations/{configId}"
+      description: |
+        Get a configuration by id
+      parameters:
+        - name: configId
+          in: path
+          required: true
+          type: string
+          description: configId
+      responses:
+        200:
+          description: Successful response
+          schema:
+            $ref: '#/definitions/Configuration'
+        304:
+          description: Not Modified, No change in response based on If-None-Match header value. Cache representation.
+        default:
+          description: Error response
+          schema:
+            $ref: '#/definitions/ErrorResponse'
+
   /blobs/{blobId}:
     get:
       tags:
@@ -123,9 +147,9 @@
       contents: 
         type: array
         items:
-          $ref: '#/definitions/Configurations'  
+          $ref: '#/definitions/Configuration'
  
-  Configurations:
+  Configuration:
     properties:
       self:
         type: string
diff --git a/glide.yaml b/glide.yaml
index ebb45f2..58d19ac 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -15,7 +15,7 @@
 package: github.com/apid/apidGatewayConfDeploy
 import:
 - package: github.com/apid/apid-core
-  version: ISSUE-66918282
+  version: master
 - package: github.com/apigee-labs/transicator/common
   version: master
 - package: github.com/gorilla/mux