diff --git a/src/app.py b/src/app.py
index 7c5dc2a..1e6f737 100644
--- a/src/app.py
+++ b/src/app.py
@@ -99,7 +99,7 @@ def main() -> None:
     logging.basicConfig(stream=sys.stdout, format="%(asctime)s - %(name)s [%(levelname)s]: %(message)s",
                         level=logging.DEBUG if '--debug' in sys.argv else logging.INFO)
     BirbnetesIoTPlatformStatusDriver.init()
-    listofabcsignaprocessors = [SoundSignalProcessor()]
+    listofabcsignaprocessors = [SoundSignalProcessor()]  # <- figuring out of the url of filter/input service
     loopingtimer = LoopingTimer(function=timer_tick, tick_args=listofabcsignaprocessors, interval=config.TICK_INTERVAL)
     loopingtimer.start()
 
diff --git a/src/sender/soundsender.py b/src/sender/soundsender.py
index 178e391..66c97a6 100644
--- a/src/sender/soundsender.py
+++ b/src/sender/soundsender.py
@@ -39,7 +39,7 @@ class SoundSender(AbcSender):
                     "application/json")
             }
 
-            r = requests.post(urljoin(config.API_URL, "/input"), files=files)
+            r = requests.post(urljoin(config.API_URL, config.FEED_TYPE), files=files)
             logging.debug(f"Content: {r.content.decode()}")
             logging.debug(f"Headers: {r.headers}")
             r.raise_for_status()
diff --git a/src/utils/config.py b/src/utils/config.py
index 0c29221..f385f81 100644
--- a/src/utils/config.py
+++ b/src/utils/config.py
@@ -36,3 +36,8 @@ REPORT_INTERVAL = float(os.environ.get("REPORT_INTERVAL", 15))
 DISABLE_AI = os.environ.get("DISABLE_AI", 'no').lower() in ['yes', '1', 'true']
 
 PLATFORM = os.environ.get("PLATFORM", "raspberry")
+
+FEED_TYPE = os.environ.get("FEED_TYPE", "input") # probably the worst naming the type of the accepting service.
+
+if FEED_TYPE not in ['input', 'filter']:
+    raise ValueError("FEED_TYPE must be either input or filter")