diff --git a/main.py b/main.py
index 656d0a1..0bd2c0b 100644
--- a/main.py
+++ b/main.py
@@ -1655,8 +1655,9 @@ async def fastapi_add_service_area(network: str, req: Request) -> ChangeSet:
     return add_service_area(network, ChangeSet(props))
 
 @app.post('/deleteservicearea/')
-async def fastapi_delete_service_area(network: str, cs: ChangeSet) -> ChangeSet:
-    return delete_service_area(network, cs)
+async def fastapi_delete_service_area(network: str, req: Request) -> ChangeSet:
+    props = await req.json()
+    return delete_service_area(network, ChangeSet(props))
 
 @app.get('/getallserviceareas/')
 async def fastapi_get_all_service_areas(network: str) -> list[dict[str, Any]]: