If a custom risk engine is configured for the issuer/financial institution, the URL specified will be called to evaluate the risk of a transaction after any rules have already been evaluated.

Note: A response within 2000ms is required.

API Backwards Compatibility: Apata may introduce non-breaking changes to API requests and responses, including the addition of new fields. To ensure continued compatibility, please design API validation logic to tolerate and gracefully handle any extra fields that may be included in the payload.