v66

latestOpenAPI 3.1.0Apache 2.0raw.githubusercontent.com2026-08-042174421.1 MB

3DS

Respond to a Challenge Request

Card program's response to a 3DS Challenge Request. Challenge Request is emitted as a webhook three_ds_authentication.challenge and your Card Program needs to be configured with Out of Band (OOB) Challenges in order to receive it (see https://docs.lithic.com/docs/3ds-challenge-flow for more information).

post/v1/three_ds_decisioning/challenge_response

tokenstring uuid required

Globally unique identifier for 3DS Authentication that resulted in PENDING_CHALLENGE authentication result.

challenge_response'APPROVE' | 'DECLINE_BY_CUSTOMER' required

Whether the Cardholder has approved or declined the issued Challenge

Challenge Response was received and forwarded to the ACS