B2B Card-Based Payment

B2B Card-Based Payment is a service provided by the UnionPay B2B platform, which helps buyers to pay money when they purchase goods from online trade platforms or traditional offline marketplaces. Overseas buyers can pay on the B2B platform with a UnionPay card using either direct payment or e-invoice payment.


  • Steps & Work Content
  • 1

    Apply for enrollment

    Contact the local UnionPay International office, and fill in and submit the application form.

  • 2

    Apply for a new IIN

    Apply for a new IIN for B2B business.

  • 3

    Modify the system

    Follow the implementation guide to modify the system.

  • 4


    Complete the test case, and a colleague from UnionPay International will help with the testing and debugging.

  • 5

    Go live

    Go live after passing the testing.

  • Contact Us
  • If you have any further questions, please register and submit order in your user center.