Paste an HTTP 402 PaymentRequired JSON and get a pass/fail score for Coinbase Bazaar indexing — extension shape, schema, resource URL, description limits, common seller bugs. Pay per check (loop-friendly). Deep guide: GET pack x402-retry-safe-seller-v1.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x8f9e...f931 |