diff --git a/API/__init__.py b/API/__init__.py
index 61aaad60..6c8b8f55 100644
--- a/API/__init__.py
+++ b/API/__init__.py
@@ -21,14 +21,14 @@ class BaseMinerAPI:
         self.port = port
         self.ip = ip
 
-    async def send_command(self, command, parameters=None):
+    async def send_command(self, command, parameters: dict = None):
         # get reader and writer streams
         reader, writer = await asyncio.open_connection(self.ip, self.port)
 
         # create the command
         cmd = {"command": command}
-        if parameters:
-            cmd["parameters"] = parameters
+        if parameters is not None:
+            cmd["parameter"] = parameters
 
         # send the command
         writer.write(json.dumps(cmd).encode('utf-8'))
@@ -53,6 +53,8 @@ class BaseMinerAPI:
         # check if the data returned is correct or an error
         if not data["STATUS"][0]["STATUS"] in ("S", "I"):
             # this is an error
+            print(cmd)
+            print(data)
             raise APIError(data["STATUS"][0]["Msg"])
 
         # return the data
diff --git a/API/bmminer.py b/API/bmminer.py
index 8ffa72f3..78efa101 100644
--- a/API/bmminer.py
+++ b/API/bmminer.py
@@ -39,7 +39,7 @@ class BMMinerAPI(BaseMinerAPI):
         return await self.send_command("enablepool", parameters=n)
 
     async def addpool(self, url: str, username: str, password: str):
-        return await self.send_command("enablepool", parameters=f"{url}, {username}, {password}")
+        return await self.send_command("addpool", parameters=f"{url}, {username}, {password}")
 
     async def poolpriority(self, *n: int):
         return await self.send_command("poolpriority", parameters=f"{','.join(n)}")
diff --git a/API/bosminer.py b/API/bosminer.py
index a3ed76a7..9c8a8def 100644
--- a/API/bosminer.py
+++ b/API/bosminer.py
@@ -57,7 +57,7 @@ class BOSMinerAPI(BaseMinerAPI):
         return await self.send_command("disablepool", parameters=n)
 
     async def addpool(self, url: str, username: str, password: str):
-        return await self.send_command("enablepool", parameters=f"{url}, {username}, {password}")
+        return await self.send_command("addpool", parameters=f"{url}, {username}, {password}")
 
     async def removepool(self, n: int):
         return await self.send_command("removepool", parameters=n)
diff --git a/main.py b/main.py
index dcd2d784..e0939417 100644
--- a/main.py
+++ b/main.py
@@ -4,7 +4,7 @@ import asyncio
 
 async def main():
     bosminer = BOSMinerAPI("172.16.1.199")
-    data = await bosminer.stats()
+    data = await bosminer.edevs(old=True)
     print(data)