# AP2

The Agent Payments Protocol, covering how an agent proves it was authorised to pay.

**[Commerce](/docs/commerce)** · watched, not scored

Mandates and verifiable intent are the missing half of agentic commerce: discovery says what can be bought, this says who agreed to buy it. It is a payment-time protocol, so a site publishes nothing a crawler could check.

## Why we do not score it

Same reason as ACP: no published artifact means no crawl-detectable failure. Donation to the FIDO Alliance in Apr 2026 makes it more likely to matter, not more visible to a crawl.

## Adoption

**Early pilots** (L1)

Named early adopters exist, behind flags or trials. Nothing has been independently measured yet. Direction of travel: ► flat, as of 2026-07-28.

Donated to the FIDO Alliance (Apr 2026) with large partner lists, but no verified third-party production deployment.

## Specifications

| Document | Revision | Kind |
|---|---|---|
| [Agent Payments Protocol](https://ap2-protocol.org/) | living document | specification |

Last re-read against the published documents: 2026-07-28.