diff --git a/README.md b/README.md
index c9419ec..97d0fd8 100644
--- a/README.md
+++ b/README.md
@@ -243,3 +243,10 @@ The permissions:
           com.example.hello     # refers to /srv/walnut/packages/pages/com.example.hello
           '''
 ```
+
+API
+---
+
+```
+req.apiUrlPrefix => https://api.example.com/api/tld.domain.pkg
+```
diff --git a/lib/apis.js b/lib/apis.js
index 2b423fc..34d6b24 100644
--- a/lib/apis.js
+++ b/lib/apis.js
@@ -517,6 +517,12 @@ module.exports.create = function (xconfx, apiFactories, apiDeps) {
       var hasBeenHandled = false;
 
       // Existing (Deprecated)
+      Object.defineProperty(req, 'apiUrlPrefix', {
+        enumerable: true
+      , configurable: false
+      , writable: false
+      , value: 'https://' + clientApiUri + '/' + pkgId
+      });
       Object.defineProperty(req, 'experienceId', {
         enumerable: true
       , configurable: false