Direct API

This section covers frequently asked questions and troubleshooting for DirectAPI.

**How to fill inallowAuthentication? Or how to control whether an international card transaction requires 3DS?**

You can use the allowAuthentication parameter to control whether 3DS should be performed for an international card transaction.

  • Sending true means you want this transaction to perform 3DS, and our system will process accordingly.
  • Sending false means you do not want 3DS, but our system will decide based on your merchant 3DS settings (Optional-Authentication or Must Authentication) and real-time risk control judgment. This means 3DS may still be performed.


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