# PayeeProof for agents

- Purpose: payment identity intelligence before autonomous machine payment.
- Paid tool: `payeeproof.check_payee` at $0.01.
- HTTP: `POST /v1/payee/check`.
- MCP: `/mcp`.
- Skill: `/.well-known/skills/payeeproof/SKILL.md`.
- Result classes: `consistent`, `review_required`, `conflict`.
- Missing evidence is generally `unknown`, not an automatic failure.
- Never send target payment credentials to PayeeProof.