T&T Hot Sales Bank API

Integration with T&T (Hot Sales)

Bank which provides E-Invoicing payment for T&T system should retrieve consignment note for payment and sent transaction result callback after payment process to T&T system endpoint.

T&T system sends the request via HTTP protocol to the address and port provided by Bank.

Requests are sent by POST method, parameters are passed in the request body in JSON-format.

Credentials for them also should provide by Bank.

Content-Type - application/json, encoding - utf-8.

Each request is signed with HMAC-SHA256 method, secret key should be provided by Bank.

The resulting signature must be calculated over the entire request body and then converted to a hexadecimal (hex) string.

The signature must be included in the request headers under the X-Signature parameter.

URL for payment callback is provided by T&T system.

The bank should provide the possibility of changing the secret key in the settings.