Check an x402 endpoint without paying it: one unpaid GET, then whether it returns a valid 402, x402 v1/v2 support, each payment option (network, asset, price, payTo, timeout, EIP-3009 domain), latency, and resource/Bazaar-metadata quality checks.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x847f...03A9 |