📄️ Set Postback URL
ATLOS will send you a postback (a.k.a. a webhook) notification each time a payment is successfully completed by the user and confirmed on the blockchain.
📄️ Postback Fields
For each successful payment, ATLOS will send a postback notification containing the following fields in JSON format.
📄️ HMAC-SHA Signature
We recommend that you check the authenticity of the postback message by verifying its HMAC-SHA256 signature. ATLOS signs each message using your API secret. You can view your API secret in Merchant Panel under Settings. We pass the HMAC signature in the Signature header of the POST request.