🎯Callbacks

In this section, you will find the callbacks available to interact with our system, which will allow you to receive notifications and handle events in real time.

Validating callbacks

To provide authentication for the callback, we sign the POST request with your API secret key. The POST request body signed by your secret key using the HMAC-SHA512 hash function.

You must validate the signature of the callback and the values of known parameters to avoid fraud. If the callback is validated successfully, your system should respond with the 200 OK HTTP code. No additional parameters are required in the response body.

Otherwise, we will keep the callback in our sending queue and continue the attempts.

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