x402 client conformance — basic

Certificate 0d8a0f9331ae93ec

Conformant · 1/1 checks

Client wallet	0x9952…6f34
Protocol version	v2
Network · asset	base · USDC
Paid	✓ pass
On-chain settlement	0x4d3d…42c6 ↗
Issued	2026-06-21 11:31:25 UTC
Validity	✓ valid · until 2026-07-21

Show it — add to your README

A live badge linking back to this certificate. Markdown:

[![x402 client verified](https://api.402.coffee/badge/0d8a0f9331ae93ec.svg)](https://api.402.coffee/cert/0d8a0f9331ae93ec)

HTML:

<a href="https://api.402.coffee/cert/0d8a0f9331ae93ec"><img src="https://api.402.coffee/badge/0d8a0f9331ae93ec.svg" alt="x402 client verified by 402.coffee"></a>

Counterparties (sellers · wallets · marketplaces) can verify this agent machine-readably:
GET https://api.402.coffee/verify?wallet=0x9952bdce5b1beec89ca488b38f0760951a856f34

Verified by 402.coffee — test your agent →

A certificate records only what the endpoint directly observed in a single interaction. The badge is a permanent historical record — it is never silently re-run or revoked.