diff --git a/app/routers/experiments.py b/app/routers/experiments.py
index a531114..4dcd35b 100644
--- a/app/routers/experiments.py
+++ b/app/routers/experiments.py
@@ -1,3 +1,4 @@
+import bson
 import fastapi
 import pydantic
 
@@ -37,14 +38,14 @@ async def post(body: RequestPostBody):
 
 @router.put('/api/v1/experiments', status_code=fastapi.status.HTTP_202_ACCEPTED, responses={404: {'description': 'Not found'}})
 async def put(body: RequestPutBody):
-    changed = await experiments.update(id=body.id, enabled=body.enabled, condition=body.condition)
+    changed = await experiments.update(id=bson.ObjectId(body.id), enabled=body.enabled, condition=body.condition)
     if not changed:
         raise fastapi.HTTPException(404)
     
 
 @router.delete('/api/v1/experiments', status_code=fastapi.status.HTTP_202_ACCEPTED, responses={404: {'description': 'Not found'}})
 async def delete(body: RequestDeleteBody):
-    changed = await experiments.delete(id=body.id)
+    changed = await experiments.delete(id=bson.ObjectId(body.id))
     if not changed:
         raise fastapi.HTTPException(404)
 
diff --git a/app/routers/fetch.py b/app/routers/fetch.py
index ee96b69..8dbd552 100644
--- a/app/routers/fetch.py
+++ b/app/routers/fetch.py
@@ -20,7 +20,7 @@ class PlatformStaff(pydantic.BaseModel):
 
 
 class ResponseBody(pydantic.BaseModel):
-    configs: dict[str, dict]
+    configs: dict[str, dict|list]
     experiments: dict[str, ExperimentData]
     platform_staff: PlatformStaff