There may be a typo in the key.
The account holder might have regenerated the key.
You can use a service like Webhook Tester to test your endpoint and make sure you are configured correctly to start receiving booking data.
To use the API you will need a OnceHub account. If you don't have an account yet, you can sign up for a trial account here.
Check that you have enabled the correct event triggers. Learn more about event triggers
Check that your endpoint is set up correctly. Learn more about configuring your Webhook subscriptions
The Webhook payload returns a consistent data structure no matter what booking event type triggered it. For any given booking event type, some of the fields in the data object of the Webhook payload will not be relevant. Fields with no values will appear as
Yes. If for some reason your endpoint does not successfully receive the Webhook payload, we will continue trying to send the HTTP POST message every hour, for up to three days.