apiverve_cardgenerator

https://github.com/apiverve/cardgenerator-API

Test Card Generator creates card numbers that pass format and checksum validation, for testing checkout forms and payment UIs across major networks. They aren't real cards: no bank issued them, and they can't be charged or used to buy anything. Specify a brand to receive card numbers, security codes, expiration dates, issuers, and masked strings.