What is x402?
x402 is a keyless payment handshake over HTTP. A service answers an unpaid request with 402 and machine-readable requirements; the caller pays in USDC on Base and retries. No account is needed — the wallet is the identity.
x402 is a keyless payment handshake over HTTP. A service answers an unpaid request with 402 and machine-readable requirements; the caller pays in USDC on Base and retries. No account is needed — the wallet is the identity.