Call when an agent needs a cheap confirmation that an x402 wallet payment can settle. Returns server UTC time, the verified payer, and an HMAC-free receipt. Send an optional note, or an empty object. Send JSON {"note":"wallet"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/x402-ping first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0x1D61...5a38 |