# AP2 Check

Is your brand AP2 compliant?

A completely free validator for Agent Payments Protocol.

No email or signup required, results in seconds.

## What this site is

AP2 Check is an independent, free validator for Agent Payments Protocol. Validate how a merchant advertises AP2: the UCP capability, signing keys and agent-card consistency – and check mandate structure. It validates against spec version 0.2.0.

## What it checks

- AP2 capability
- Signing keys
- Agent card
- Mandate structure

## How to use it

Submit the full URL where your AP2 surface lives — not a bare domain — at https://www.ap2check.org/check?url=<your-url>. We fetch that single endpoint plus any endpoints your manifest declares. There is no signup and no account.

## More pages

- [About AP2](https://www.ap2check.org/about.md) — What Agent Payments Protocol is and why it matters.
- [Methodology](https://www.ap2check.org/methodology.md) — How AP2 Check validates AP2 endpoints.
- [FAQ](https://www.ap2check.org/faq.md) — Common questions about AP2 and this validator.
- [Resources](https://www.ap2check.org/resources.md) — AP2 spec links and related tools.
- [For site admins](https://www.ap2check.org/bot.md) — Bot identification, credentials handling, and what we retain.
- [Glossary](https://www.ap2check.org/glossary.md) — Definitions of AP2 and agentic commerce terms.
- [Site map](https://www.ap2check.org/sitemap.md) — Every AP2 Check page available as Markdown.