post https://api.cloud.mbanq.com/graphql ( For External Card Pull Transfer)
Note: All the payment API's have the endpoint: /graphql
Use this API for to pull funds from an External Card. You need to specify the card id for the transfer.
Please checkout the page at External/Acquired Cards to understand more about this Payment Rail.
Please refer to this API Add an Acquired Card on how to generate the card cardId