API to initiate transactions by merchant.
Merchant Initiated Transactions (MIT) allows a business to use card details, that were stored during previous transactions, to charge their customers.
1- You request a payment link with the option to save the card details.
2- You save the charge ID.
3- You get the charge details (redirect, GET /charge, or webhook) which will include the ID of the card used to make the payment, you can save either one of the IDs so you always have access to the card ID.
4- You call the below API to initiate a transaction using the same card.