End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0x52d4...cA81 |
| eip155:5042 | exact | 0.00 tokens | 0x52d4...cA81 |