Why is 3D Secure not triggered?

If you're processing a payment that doesn't trigger 3D Secure, and you immediately see Authorized or Refused, this might be because required fields are missing in your request, such as the browserInfo and the billingAddress objects.|

Refer to our step-by-step guide to find out more: Make a payment - 3DS 2 and 3DS 1.

You should also check your dynamic 3Ds rules to ensure they are not preventing 3DS authentication.