Payment Providers FAQs
This section includes FAQs about several payment providers and some special cases that you may come across during testing or implementation.
- What is Negative Testing with PayPal?
- Testing with B+S on Sandbox
- How can OPG process my reconciliation files from Wirecard?
- Magic Numbers for eMerchantPay - 3D Secure Testing
- What is special about the integration of PayPal, SOFORT, or other "redirect networks"?
- What is special about the integration of SEPA Direct Debit?