diff --git a/main.py b/main.py
index 84f7bb4..ef94940 100644
--- a/main.py
+++ b/main.py
@@ -1580,11 +1580,18 @@ async def fastapi_calculate_district_metering_area_for_nodes(network: str, req:
     return calculate_district_metering_area_for_nodes(network, nodes, part_count, part_type)
 
 @app.get('/calculatedistrictmeteringareaforregion/')
-async def fastapi_calculate_district_metering_area_for_region(network: str, region: str, part_count: int, part_type: int) -> list[list[str]]:
+async def fastapi_calculate_district_metering_area_for_region(network: str, req: Request) -> list[list[str]]:
+    props = await req.json()
+    region = props['region']
+    part_count = props['part_count']
+    part_type = props['part_type']
     return calculate_district_metering_area_for_region(network, region, part_count, part_type)
 
 @app.get('/calculatedistrictmeteringareafornetwork/')
-async def fastapi_calculate_district_metering_area_for_network(network: str, part_count: int, part_type: int) -> list[list[str]]:
+async def fastapi_calculate_district_metering_area_for_network(network: str, req: Request) -> list[list[str]]:
+    props = await req.json()
+    part_count = props['part_count']
+    part_type = props['part_type']
     return calculate_district_metering_area_for_network(network, part_count, part_type)
 
 @app.get('/getdistrictmeteringareaschema/')