diff --git a/authentik/stages/invitation/api.py b/authentik/stages/invitation/api.py
index b1ce74cd5..6702a18b4 100644
--- a/authentik/stages/invitation/api.py
+++ b/authentik/stages/invitation/api.py
@@ -3,6 +3,7 @@ from rest_framework.fields import JSONField
 from rest_framework.serializers import ModelSerializer
 from rest_framework.viewsets import ModelViewSet
 
+from authentik.core.api.users import UserSerializer
 from authentik.core.api.utils import is_dict
 from authentik.flows.api.stages import StageSerializer
 from authentik.stages.invitation.models import Invitation, InvitationStage
@@ -29,6 +30,7 @@ class InvitationStageViewSet(ModelViewSet):
 class InvitationSerializer(ModelSerializer):
     """Invitation Serializer"""
 
+    created_by = UserSerializer(read_only=True)
     fixed_data = JSONField(validators=[is_dict], required=False)
 
     class Meta:
@@ -40,7 +42,6 @@ class InvitationSerializer(ModelSerializer):
             "fixed_data",
             "created_by",
         ]
-        depth = 2
 
 
 class InvitationViewSet(ModelViewSet):
diff --git a/swagger.yaml b/swagger.yaml
index a505326de..cdd4149c8 100755
--- a/swagger.yaml
+++ b/swagger.yaml
@@ -18017,226 +18017,7 @@ definitions:
         title: Fixed data
         type: object
       created_by:
-        required:
-          - password
-          - username
-          - name
-        type: object
-        properties:
-          id:
-            title: ID
-            type: integer
-            readOnly: true
-          password:
-            title: Password
-            type: string
-            maxLength: 128
-            minLength: 1
-          last_login:
-            title: Last login
-            type: string
-            format: date-time
-            x-nullable: true
-          username:
-            title: Username
-            description: Required. 150 characters or fewer. Letters, digits and @/./+/-/_
-              only.
-            type: string
-            pattern: ^[\w.@+-]+$
-            maxLength: 150
-            minLength: 1
-          first_name:
-            title: First name
-            type: string
-            maxLength: 150
-          last_name:
-            title: Last name
-            type: string
-            maxLength: 150
-          email:
-            title: Email address
-            type: string
-            format: email
-            maxLength: 254
-          is_active:
-            title: Active
-            description: Designates whether this user should be treated as active.
-              Unselect this instead of deleting accounts.
-            type: boolean
-          date_joined:
-            title: Date joined
-            type: string
-            format: date-time
-          uuid:
-            title: Uuid
-            type: string
-            format: uuid
-            readOnly: true
-          name:
-            title: Name
-            description: User's display name.
-            type: string
-            minLength: 1
-          password_change_date:
-            title: Password change date
-            type: string
-            format: date-time
-            readOnly: true
-          attributes:
-            title: Attributes
-            type: object
-          groups:
-            type: array
-            items:
-              required:
-                - name
-              type: object
-              properties:
-                id:
-                  title: ID
-                  type: integer
-                  readOnly: true
-                name:
-                  title: Name
-                  type: string
-                  maxLength: 150
-                  minLength: 1
-                permissions:
-                  type: array
-                  items:
-                    type: integer
-                  uniqueItems: true
-            readOnly: true
-          user_permissions:
-            type: array
-            items:
-              required:
-                - name
-                - codename
-                - content_type
-              type: object
-              properties:
-                id:
-                  title: ID
-                  type: integer
-                  readOnly: true
-                name:
-                  title: Name
-                  type: string
-                  maxLength: 255
-                  minLength: 1
-                codename:
-                  title: Codename
-                  type: string
-                  maxLength: 100
-                  minLength: 1
-                content_type:
-                  title: Content type
-                  type: integer
-            readOnly: true
-          sources:
-            type: array
-            items:
-              required:
-                - name
-                - slug
-              type: object
-              properties:
-                pbm_uuid:
-                  title: Pbm uuid
-                  type: string
-                  format: uuid
-                  readOnly: true
-                policy_engine_mode:
-                  title: Policy engine mode
-                  type: string
-                  enum:
-                    - all
-                    - any
-                managed:
-                  title: Managed by authentik
-                  description: Objects which are managed by authentik. These objects
-                    are created and updated automatically. This is flag only indicates
-                    that an object can be overwritten by migrations. You can still
-                    modify the objects via the API, but expect changes to be overwritten
-                    in a later update.
-                  type: string
-                  minLength: 1
-                  x-nullable: true
-                name:
-                  title: Name
-                  description: Source's display Name.
-                  type: string
-                  minLength: 1
-                slug:
-                  title: Slug
-                  description: Internal source name, used in URLs.
-                  type: string
-                  format: slug
-                  pattern: ^[-a-zA-Z0-9_]+$
-                  maxLength: 50
-                  minLength: 1
-                enabled:
-                  title: Enabled
-                  type: boolean
-                authentication_flow:
-                  title: Authentication flow
-                  description: Flow to use when authenticating existing users.
-                  type: string
-                  format: uuid
-                  x-nullable: true
-                enrollment_flow:
-                  title: Enrollment flow
-                  description: Flow to use when enrolling new users.
-                  type: string
-                  format: uuid
-                  x-nullable: true
-                policies:
-                  type: array
-                  items:
-                    type: string
-                    format: uuid
-                  readOnly: true
-                  uniqueItems: true
-                property_mappings:
-                  type: array
-                  items:
-                    type: string
-                    format: uuid
-                  uniqueItems: true
-            readOnly: true
-          ak_groups:
-            type: array
-            items:
-              required:
-                - name
-                - parent
-              type: object
-              properties:
-                group_uuid:
-                  title: Group uuid
-                  type: string
-                  format: uuid
-                  readOnly: true
-                name:
-                  title: Name
-                  type: string
-                  maxLength: 80
-                  minLength: 1
-                is_superuser:
-                  title: Is superuser
-                  description: Users added to this group will be superusers.
-                  type: boolean
-                attributes:
-                  title: Attributes
-                  type: object
-                parent:
-                  title: Parent
-                  type: string
-                  format: uuid
-                  x-nullable: true
-            readOnly: true
-        readOnly: true
+        $ref: '#/definitions/User'
   InvitationStage:
     required:
       - name