diff --git a/netbox/core/api/schema.py b/netbox/core/api/schema.py
index 0b44a3d52..1502592b0 100644
--- a/netbox/core/api/schema.py
+++ b/netbox/core/api/schema.py
@@ -10,6 +10,7 @@ from drf_spectacular.plumbing import (
     ComponentRegistry,
     ResolvedComponent,
     build_basic_type,
+    build_choice_field,
     build_media_type_object,
     build_object_type,
     is_serializer,
@@ -38,7 +39,7 @@ class ChoiceFieldFix(OpenApiSerializerFieldExtension):
 
     def map_serializer_field(self, auto_schema, direction):
         if direction == 'request':
-            return build_basic_type(OpenApiTypes.STR)
+            return build_choice_field(self.target)
 
         elif direction == "response":
             return build_object_type(
@@ -150,8 +151,12 @@ class NetBoxAutoSchema(AutoSchema):
     def get_writable_class(self, serializer):
         properties = {}
         fields = {} if hasattr(serializer, 'child') else serializer.fields
+        remove_fields = []
 
         for child_name, child in fields.items():
+            # read_only fields don't need to be in writable (write only) serializers
+            if 'read_only' in dir(child) and child.read_only:
+                remove_fields.append(child_name)
             if isinstance(child, (ChoiceField, WritableNestedSerializer)):
                 properties[child_name] = None
             elif isinstance(child, ManyRelatedField) and isinstance(child.child_relation, SerializedPKRelatedField):
@@ -165,7 +170,12 @@ class NetBoxAutoSchema(AutoSchema):
             meta_class = getattr(type(serializer), 'Meta', None)
             if meta_class:
                 ref_name = 'Writable' + self.get_serializer_ref_name(serializer)
-                writable_meta = type('Meta', (meta_class,), {'ref_name': ref_name})
+                # remove read_only fields from write-only serializers
+                fields = list(meta_class.fields)
+                for field in remove_fields:
+                    fields.remove(field)
+                writable_meta = type('Meta', (meta_class,), {'ref_name': ref_name, 'fields': fields})
+
                 properties['Meta'] = writable_meta
 
             self.writable_serializers[type(serializer)] = type(writable_name, (type(serializer),), properties)
diff --git a/netbox/netbox/settings.py b/netbox/netbox/settings.py
index 6a9b8189e..2745a22b8 100644
--- a/netbox/netbox/settings.py
+++ b/netbox/netbox/settings.py
@@ -587,9 +587,10 @@ SPECTACULAR_SETTINGS = {
     'VERSION': VERSION,
     'COMPONENT_SPLIT_REQUEST': True,
     'REDOC_DIST': 'SIDECAR',
-    'SERVERS': [{'url': f'/{BASE_PATH}api'}, ],
+    'SERVERS': [{'url': f'/{BASE_PATH}api'}],
     'SWAGGER_UI_DIST': 'SIDECAR',
     'SWAGGER_UI_FAVICON_HREF': 'SIDECAR',
+    'POSTPROCESSING_HOOKS': [],
 }
 
 #