The callback URL will be used for sending updates and statuses of payments. The callback URL is indicated from the customer's cabinet on the configuration page.
The information about order status changes and new transactions will be sent to the callback URL.
Callback data is sent in the POST method in JSON format.
CityPay callback sends data as it is described below:
You will receive calls in the three cases. First when an order will be generated and currency is chosen. Second when payment is received, and third when the status is changed. Note you won't receive calls for expired status.
The information about deposit transactions and their confirmation status are sent using this callback.