x402 · Base mainnet · $0.002/call

Did the settlement happen after the timeout?

XGuard checks native Base USDC EIP-3009 authorization state and the AuthorizationUsed event. It never needs a private key and never touches merchant or buyer funds.

Paid endpoint

GET https://reconcile.xguardgate.com/v1/reconcile?from=0x...&nonce=0x...

HTTP 402 → pay $0.002 USDC on Base → retry with PAYMENT-SIGNATURE → JSON result

Machine-readable docs · OpenAPI · x402 discovery · llms.txt · XGuard Relay