The Open Payment Gateway (OPG) is the core system of optile. This section provides you with FAQs concerning the OPG integration with your system.
- 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, Sofortüberweisung / Sofort Banking, or other "redirect networks"?
- What is special about the integration of SEPA Direct Debit?
- How do I pass my orderId/ invoiceId to the OPG?
- Why did my initial payment method disappear after a failing charge?
- How do I integrate a specific payment network?
- Can notifications be re-routed or sent to a different destination?
- How can I get all details of a transaction via the API?
- What are OPG's IP addresses for IP filtering?