diff --git a/cmake/firebase_unity_version.cmake b/cmake/firebase_unity_version.cmake
index 5f03fbb11..731c906c7 100644
--- a/cmake/firebase_unity_version.cmake
+++ b/cmake/firebase_unity_version.cmake
@@ -27,7 +27,7 @@ set(FIREBASE_UNITY_JAR_RESOLVER_VERSION "1.2.171"
 )
 
 # https://github.com/firebase/firebase-cpp-sdk
-set(FIREBASE_CPP_SDK_PRESET_VERSION "origin/unity-v9.0.0"
+set(FIREBASE_CPP_SDK_PRESET_VERSION "a192efbda2c22d5c336db00999ac919eb22e5157"
    CACHE STRING
   "Version tag of Firebase CPP SDK to download (if no local or not passed in) and use (no trailing .0)"
 )
diff --git a/docs/readme.md b/docs/readme.md
index 7a96a860d..769f24da7 100644
--- a/docs/readme.md
+++ b/docs/readme.md
@@ -158,6 +158,8 @@ Release Notes
 ### Upcoming
 - Changes
     - General: Added a missing namespace to the Google.MiniJson.dll.
+    - Functions: Add a new method `GetHttpsCallableFromURL`, to create callables
+      with URLs other than cloudfunctions.net.
 
 ### 9.0.0
 - Changes
diff --git a/functions/src/FirebaseFunctions.cs b/functions/src/FirebaseFunctions.cs
index 7dcf6b000..3424e3c27 100644
--- a/functions/src/FirebaseFunctions.cs
+++ b/functions/src/FirebaseFunctions.cs
@@ -212,15 +212,29 @@ private void ThrowIfNull() {
     }
 
     /// <summary>
-    ///   Creates a
-    ///   <see cref="HttpsCallableReference" />
-    ///   given a name.
+    ///   Creates a <see cref="HttpsCallableReference" /> given a name.
     /// </summary>
     public HttpsCallableReference GetHttpsCallable(string name) {
       ThrowIfNull();
       return new HttpsCallableReference(this, functionsInternal.GetHttpsCallable(name));
     }
 
+    /// <summary>
+    ///   Creates a <see cref="HttpsCallableReference" /> given a URL.
+    /// </summary>
+    public HttpsCallableReference GetHttpsCallableFromURL(string url) {
+      ThrowIfNull();
+      return new HttpsCallableReference(this, functionsInternal.GetHttpsCallableFromURL(url));
+    }
+
+    /// <summary>
+    ///   Creates a <see cref="HttpsCallableReference" /> given a URL.
+    /// </summary>
+    public HttpsCallableReference GetHttpsCallableFromURL(Uri url) {
+      ThrowIfNull();
+      return GetHttpsCallableFromURL(url.ToString());
+    }
+
     /// <summary>
     ///   Sets an origin of a Cloud Functions Emulator instance to use.
     /// </summary>
diff --git a/functions/testapp/Assets/Firebase/Sample/Functions/TestCase.cs b/functions/testapp/Assets/Firebase/Sample/Functions/TestCase.cs
index 29c61aafb..ddcaa26a0 100644
--- a/functions/testapp/Assets/Firebase/Sample/Functions/TestCase.cs
+++ b/functions/testapp/Assets/Firebase/Sample/Functions/TestCase.cs
@@ -40,10 +40,16 @@ public TestCase(string name, object input, object expectedResult,
       ExpectedError = expectedError;
     }
 
+    // Returns the CallableReference to be used by the test. Overridable to allow
+    // different ways to generate the CallableReference.
+    public virtual HttpsCallableReference GetReference(FirebaseFunctions functions) {
+      return functions.GetHttpsCallable(Name);
+    }
+
     // Runs the given test and returns whether it passed.
     public Task RunAsync(FirebaseFunctions functions,
         Utils.Reporter reporter) {
-      var func = functions.GetHttpsCallable(Name);
+      var func = GetReference(functions);
       return func.CallAsync(Input).ContinueWithOnMainThread((task) => {
         if (ExpectedError == FunctionsErrorCode.None) {
           // We expected no error.
@@ -82,4 +88,21 @@ public Task RunAsync(FirebaseFunctions functions,
       });
     }
   }
+
+  // TestCase that uses a URL to call the function directly.
+  public class TestCaseWithURL : TestCase {
+    // The URL of the function to call
+    System.Uri URL { get; set; }
+
+    public TestCaseWithURL(string name, System.Uri url, object input, object expectedResult,
+        FunctionsErrorCode expectedError = FunctionsErrorCode.None)
+          : base(name, input, expectedResult, expectedError) {
+            URL = url;
+        }
+
+    // Generate the CallableReference using the URL
+    public override HttpsCallableReference GetReference(FirebaseFunctions functions) {
+      return functions.GetHttpsCallableFromURL(URL);
+    }
+  }
 }
diff --git a/functions/testapp/Assets/Firebase/Sample/Functions/UIHandlerAutomated.cs b/functions/testapp/Assets/Firebase/Sample/Functions/UIHandlerAutomated.cs
index b3c918196..f4b377231 100644
--- a/functions/testapp/Assets/Firebase/Sample/Functions/UIHandlerAutomated.cs
+++ b/functions/testapp/Assets/Firebase/Sample/Functions/UIHandlerAutomated.cs
@@ -54,6 +54,12 @@ public static IEnumerable<TestCase> AllTests() {
         FunctionsErrorCode.Internal);
       yield return new TestCase("explicitErrorTest", null, null,
         FunctionsErrorCode.OutOfRange);
+
+      // Test calling via Url
+      string projectId = FirebaseApp.DefaultInstance.Options.ProjectId;
+      yield return new TestCaseWithURL("scalarTest via Url",
+        new System.Uri("https://us-central1-" + projectId + ".cloudfunctions.net/scalarTest"),
+        17, 76L);
     }
 
     protected override void Start() {