The generated requests must include the base and the relative URLs. The base URL for the Gate API is the domain name
api.ecommpay.com, and the relative URL is the path to the target endpoint in the interface according to the specification. For more information, see Request format.
Callbacks are sent to the callback URLs provided by the merchant to the ECommPay specialists during integration. The URLs must be configured correctly to accept HTTP requests from the payment platform. For more information, see Callbacks.