Challenge vs abandonment
3ds_challenge returns next_action.redirect_to_url on the payment intent. Pro chaos mode adds 3ds_abandoned — when the customer closes the challenge window and your handler must not mark the order paid.
3DS test card
Trigger 3DS challenge flows and test what happens when customers never return.
Frequently asked questions
- SCA compliance?
- MockCard simulates technical flows for engineers — not a compliance certification tool.