diff --git a/main.py b/main.py
index 38a8880..9864636 100644
--- a/main.py
+++ b/main.py
@@ -651,10 +651,12 @@ async def fast_get_pump_schema(network: str) -> dict[str, dict[str, Any]]:
     return get_pump_schema(network)
 
 @app.post("/addpump/")
-async def fastapi_add_pump(network: str, pump: str, node1: str, node2: str) -> ChangeSet:
+async def fastapi_add_pump(network: str, pump: str, node1: str, node2: str, power: float = 0.0) -> ChangeSet:
     ps = { 'id' : pump,
            'node1' : node1,
-           'node2' : node2 }
+           'node2' : node2,
+           'power' : power 
+         }
     return add_pump(network, ChangeSet(ps))
 
 @app.post("/deletepump/")