diff --git a/main.py b/main.py
index e9e07cc..9346512 100644
--- a/main.py
+++ b/main.py
@@ -880,7 +880,7 @@ async def fastapi_set_demand_properties(network: str, junction: str, req: Reques
     return set_demand(network, ChangeSet(ps)) 
 
 ############################################################
-# status 10.[STATUS]
+# status 10.[STATUS]  init_status
 ############################################################
 @app.get('/getstatusschema')
 async def fast_get_status_schema(network: str) -> dict[str, dict[str, Any]]:
@@ -1065,6 +1065,87 @@ async def fastapi_set_quality_properties(network: str, req: Request) -> ChangeSe
     return set_quality(network, ChangeSet(ps)) 
     
 
+############################################################
+# source 18.[SOURCES]
+############################################################
+@app.get('/getsourcechema/')
+async def fastapi_get_source_schema(network: str) -> dict[str, dict[str, Any]]:
+    return get_source_schema(network)
+
+@app.get('/getsource/')
+async def fastapi_get_source(network: str, node: str) -> dict[str, Any]:
+    return get_source(network, node)
+
+@app.post('/setsource/')
+async def fastapi_set_source(network: str, req: Request) -> ChangeSet:
+    props = await req.json()
+    return set_source(network, ChangeSet(props))
+
+# example: add_source(p, ChangeSet({'node': 'j0', 's_type': SOURCE_TYPE_CONCEN, 'strength': 10.0, 'pattern': 'p0'}))
+@app.post('/addsource/')
+async def fastapi_add_source(network: str, req: Request) -> ChangeSet:
+    props = await req.json()
+    return add_source(network, ChangeSet(props))
+
+@app.post('/deletesource/')
+async def fastapi_delete_source(network: str, req: Request) -> ChangeSet:
+    props = await req.json()
+    return delete_source(network, ChangeSet(props))
+
+
+############################################################
+# reaction 19.[REACTIONS]
+############################################################
+
+def get_reaction_schema(name: str) -> dict[str, dict[str, Any]]:
+    return api.get_reaction_schema(name)
+
+def get_reaction(name: str) -> dict[str, Any]:
+    return api.get_reaction(name)
+
+def set_reaction(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.set_reaction(name, cs)
+
+def get_pipe_reaction_schema(name: str) -> dict[str, dict[str, Any]]:
+    return api.get_pipe_reaction_schema(name)
+
+def get_pipe_reaction(name: str, pipe: str) -> dict[str, Any]:
+    return api.get_pipe_reaction(name, pipe)
+
+def set_pipe_reaction(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.set_pipe_reaction(name, cs)
+
+def get_tank_reaction_schema(name: str) -> dict[str, dict[str, Any]]:
+    return api.get_tank_reaction_schema(name)
+
+def get_tank_reaction(name: str, tank: str) -> dict[str, Any]:
+    return api.get_tank_reaction(name, tank)
+
+def set_tank_reaction(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.set_tank_reaction(name, cs)
+
+
+############################################################
+# mixing 20.[MIXING]
+############################################################
+
+def get_mixing_schema(name: str) -> dict[str, dict[str, Any]]:
+    return api.get_mixing_schema(name)
+
+def get_mixing(name: str, tank: str) -> dict[str, Any]:
+    return api.get_mixing(name, tank)
+
+def set_mixing(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.set_mixing(name, cs)
+
+# example: add_mixing(p, ChangeSet({'tank': 't0', 'model': MIXING_MODEL_MIXED, 'value': 10.0}))
+def add_mixing(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.add_mixing(name, cs)
+
+def delete_mixing(name: str, cs: ChangeSet) -> ChangeSet:
+    return api.delete_mixing(name, cs)
+
+
 ############################################################
 # time 21.[TIME]
 ############################################################