For AI agents: visit https://developer.pxp-solutions.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
| Value |
Description |
| Y |
Authentication/account verification successful |
| N |
Not authenticated/account not verified; transaction denied |
| U |
Authentication/account verification could not be performed; technical or other problem as indicated in ARes or RReq |
| A |
Attempts processing performed; not authenticated/verified, but a proof of attempted authentication/verification is provided |
| C |
Challenge required; additional authentication is required using the CReq/CRes |
| R |
Authentication/account verification rejected; issuer is rejecting authentication/verification and request that authorization not be attempted |
| D |
Challenge required; decoupled authentication confirmed |
| I |
Informational only; 3DS Requestor challenge preference acknowledged |
