diff --git a/README.md b/README.md
index bd0b68a..76101ed 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,7 @@ public keys associated with the correct user when retrieving JWKs.
   * **Body Params**
     * `sub`: The [subject](#subject) using `azp` from the url
     * `scope`: A comma separated list of the permissions granted
+  * **Response**: The same object returned when retrieving single grants
 
 ### Retrieving Grants ###
   * **URL** `:scheme//:hostname/api/issuer@oauth3.org/grants/:sub/:azp`
@@ -121,6 +122,7 @@ public keys associated with the correct user when retrieving JWKs.
   * **Response**
     * `sub`: The same `sub` from the url
     * `azp`: The same `azp` from the url
+    * `azpSub`: The `sub` for the `azp`
     * `scope`: A comma separated list of the permissions granted
     * `updatedAt`: The ms timestamp for the most recent change to the grants
 
diff --git a/grants.js b/grants.js
index bd22eb6..dec2d1d 100644
--- a/grants.js
+++ b/grants.js
@@ -10,7 +10,7 @@ function trim(grant) {
   return {
     sub:   grant.sub,
     azp:   grant.azp,
-    // azpSub: grant.azpSub,
+    azpSub: grant.azpSub,
     scope: grant.scope,
     updatedAt: parseInt(grant.updatedAt, 10),
   };
@@ -74,7 +74,12 @@ function create(app) {
       };
       return req.Store.upsert(grant.sub+'/'+grant.azp, grant);
     }).then(function () {
-      return {success: true};
+      return req.Store.get(req.params.sub+'/'+req.params.azp);
+    }).then(function (grant) {
+      if (!grant) {
+        throw new Error('failed to retrieve grants after saving them');
+      }
+      return trim(grant);
     });
 
     app.handlePromise(req, res, promise, '[issuer@oauth3.org] save grants');