Standard HTTP flow
Turn a Payment Required response into a signed x402 v2 authorization your API can verify.
PROTOCOL NATIVE Open payment infrastructure · Ethereum mainnet
Payments for the
machine economy.
A focused, open-source x402 facilitator for AI agents and APIs. Verify signed payment authorizations and settle native USDC directly to merchants.
✓ x402 v2✓ Exact payments✓ Native USDC✓ Non-custodial
402PAYMENT REQUIRED
REQUESTHTTP 402
SETTLEDUSDC · MAINNET
CLIENTAI AGENT
NETWORKEthereumeip155:1
ACTIVE MERCHANTS0Wallet verified
VERIFICATIONS0Protocol checks passed
SETTLEMENTS0Confirmed onchain
ASSETUSDCNative contract
BUILT FOR AUTONOMOUS COMMERCEHTTP-native payments.
HTTP-native payments.
Ethereum-grade settlement.
One conservative lane, implemented deliberately. Buyers authorize. Merchants deliver. ETH402 verifies and settles without ever taking custody.
Direct USDC settlement
Native USDC moves from payer to merchant on Ethereum mainnet. ETH402 never holds merchant funds.
NON-CUSTODIALAgent-ready infrastructure
Deterministic schemas, idempotent settlement, and exact integer arithmetic for automated clients.
MACHINE READYHOW IT MOVES
From request to finality.
01RequestAPI returns HTTP 402
→02AuthorizeBuyer signs exact USDC
→03VerifyETH402 checks every bound
→04SettleTransfer confirms onchain
NETWORK ACTIVITY
View network stats →Merchants building on ETH402.
The network is opening up.
Wallet-verified merchants can choose to appear here from their dashboard. Public profiles never expose payment amounts, email addresses, or wallets.
READY TO BUILD?
Open merchant panel →Give your API a payment layer.
Register a recipient, verify your wallet, and integrate the exact x402 endpoints.