Calling a webhook URL can return various status codes for different problems. Below is a list of the most common codes and reasons.
| Code | Description |
|---|---|
| 404 | The webhook URL you tried is not valid. Visit the Cloud panel to verify the URL you are using. |
| 405 | The method (GET/POST/etc.) used for the webhook is not allowed. Check the trigger configuration of your automation to make sure you are calling it correctly. |
| 503 | Your Home Assistant instance is not connected properly to our services. Check your system health section. |