Documentation v1.24
Last updated 2026-08-20 Give feedback

ChatGPT App

The ChatGPT app gives users a familiar place to start sessions and review payment-related state while Payrail Agent keeps protected values outside model context.

What It Is For

The ChatGPT app is a cross-platform Payrail Agent client. It can show Payrail Agent Card state, payment sessions, requests, top-up flows, and approval UI.

MCP Role

The app exposes Payrail Agent flows over MCP, so ChatGPT can start or continue a session while the backend keeps request handling.

User Control

Payment approvals and protected-data requests still go through Payrail Agent. Users may choose chat convenience for reusable Memory facts, but raw secrets and card values typed into ChatGPT are model-visible and cannot be retroactively protected by Payrail Agent.

Payrail Agent public documentation.