The Open Payment Gateway (OPG) is the core system of optile. This section provides you with FAQs concerning the OPG integration with your system.
- Payment Provider Request Form
- 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"?
- Merchant Payment Integration Form
- How can I display the interaction codes of a transaction on the payment page?
- How to use the new optile mobile responsive version of the Hosted Payment Page?
- How can I choose to display a specific list of Payment Method(s) in the List Response?
- How can find out if a recurring mandate for a registered customer is still valid?
- What are the advantages/disadvantages of additional Merchant Codes or Divisions?