diff --git a/authentik/stages/authenticator_mobile/migrations/0001_initial.py b/authentik/stages/authenticator_mobile/migrations/0001_initial.py
index 9ebc5a851..bfe3bbdba 100644
--- a/authentik/stages/authenticator_mobile/migrations/0001_initial.py
+++ b/authentik/stages/authenticator_mobile/migrations/0001_initial.py
@@ -45,7 +45,7 @@ class Migration(migrations.Migration):
                         default="number_matching_3",
                     ),
                 ),
-                ("cgw_endpoint", models.URLField()),
+                ("cgw_endpoint", models.TextField()),
                 (
                     "configure_flow",
                     models.ForeignKey(
diff --git a/authentik/stages/authenticator_mobile/models.py b/authentik/stages/authenticator_mobile/models.py
index 7177aa83c..c20b91651 100644
--- a/authentik/stages/authenticator_mobile/models.py
+++ b/authentik/stages/authenticator_mobile/models.py
@@ -50,7 +50,7 @@ class AuthenticatorMobileStage(ConfigurableStage, FriendlyNamedStage, Stage):
     item_matching_mode = models.TextField(
         choices=ItemMatchingMode.choices, default=ItemMatchingMode.NUMBER_MATCHING_3
     )
-    cgw_endpoint = models.URLField()
+    cgw_endpoint = models.TextField()
 
     def create_transaction(self, device: "MobileDevice") -> "MobileTransaction":
         """Create a transaction for `device` with the config of this stage."""
diff --git a/authentik/stages/authenticator_mobile/stage.py b/authentik/stages/authenticator_mobile/stage.py
index b4e560af7..717746ff5 100644
--- a/authentik/stages/authenticator_mobile/stage.py
+++ b/authentik/stages/authenticator_mobile/stage.py
@@ -1,7 +1,7 @@
 """Mobile stage"""
 from django.http import HttpResponse
 from rest_framework.fields import CharField
-
+from django.conf import settings
 from authentik.core.api.utils import PassiveSerializer
 from authentik.flows.challenge import (
     Challenge,
@@ -65,10 +65,13 @@ class AuthenticatorMobileStageView(ChallengeStageView):
 
     def get_challenge(self, *args, **kwargs) -> Challenge:
         self.prepare()
+        endpoint = f"https://{self.executor.current_stage.cgw_endpoint}/"
+        if settings.DEBUG:
+            endpoint = endpoint.replace(":3415", ":3416")
+            endpoint = endpoint.replace("https", "http")
         payload = AuthenticatorMobilePayloadChallenge(
             data={
-                # TODO: use cloud gateway?
-                "u": self.request.build_absolute_uri("/"),
+                "u": endpoint,
                 "s": str(self.executor.plan.context[FLOW_PLAN_MOBILE_ENROLL_DEVICE].pk),
                 "t": self.executor.plan.context[FLOW_PLAN_MOBILE_ENROLL_TOKEN].token,
             }
diff --git a/blueprints/schema.json b/blueprints/schema.json
index fc740b729..b2ba6736d 100644
--- a/blueprints/schema.json
+++ b/blueprints/schema.json
@@ -6155,8 +6155,6 @@
                 },
                 "cgw_endpoint": {
                     "type": "string",
-                    "format": "uri",
-                    "maxLength": 200,
                     "minLength": 1,
                     "title": "Cgw endpoint"
                 }
diff --git a/schema.yml b/schema.yml
index 9f731b14c..c546a79e3 100644
--- a/schema.yml
+++ b/schema.yml
@@ -30429,8 +30429,6 @@ components:
           $ref: '#/components/schemas/ItemMatchingModeEnum'
         cgw_endpoint:
           type: string
-          format: uri
-          maxLength: 200
       required:
       - cgw_endpoint
       - component
@@ -30464,9 +30462,7 @@ components:
           $ref: '#/components/schemas/ItemMatchingModeEnum'
         cgw_endpoint:
           type: string
-          format: uri
           minLength: 1
-          maxLength: 200
       required:
       - cgw_endpoint
       - name
@@ -38236,9 +38232,7 @@ components:
           $ref: '#/components/schemas/ItemMatchingModeEnum'
         cgw_endpoint:
           type: string
-          format: uri
           minLength: 1
-          maxLength: 200
     PatchedAuthenticatorSMSStageRequest:
       type: object
       description: AuthenticatorSMSStage Serializer