This documents the webhook payload that Host Tools will POST to your configured webhook URL when a new message is added to one of the user's Airbnb customer support threads.

Note: This is not an API endpoint you call.
This documents the requests that Host Tools sends TO your webhook URL.

When triggered:

• supportMessage.created: a new message from Airbnb support (post.role "support"), or a reply from the host (post.role "host"), sent through /api/sendSupportMessage/{supportThreadID}, the Host Tools inbox or Airbnb itself.

Each message is sent once. A message sent more than 24 hours before Host Tools picked it up, or before the Airbnb account was connected, is old history and isn't sent. OAuth clients only get this webhook with the messages:read scope.

Handling the webhook:

1. Your endpoint should respond with HTTP 200 status
2. Process the data asynchronously if needed
3. Respond within 30 seconds