1. create_payment
Generate payment requests for processing transactions.
2. query_payment
Retrieve transaction status and information for submitted payment requests.
3. cancel_payment
Cancel payments when results are not returned within expected timeframes.
4. create_refund
Initiate full or partial refunds against successful payments.
5. customs_declare
Declare a payment to customs or update an existing declaration.
6. query_customs_declare
Inquire about the status of declared payments.