OpenX402
The first open x402 facilitator that any x402 server can use without keys or KYC
Live on Base Mainnet
Base Facilitator
Facilitator URL: https://facilitator.openx402.ai
GET /supportedList supported payment networksPublic
POST /verifyVerify payment authorizationPublic
POST /settleSettle payment on-chainPublic
Transaction Scanner
Real-time x402 transaction explorer for Base network
Total Transactions
Total Volume (USDC)
Unique Payers
Success Rate
Recent Transactions
View All →Loading transactions...
x402 v2 Features
CAIP-2 Network IDs
Standard network identifiers like eip155:8453 for Base Mainnet
EIP-3009 Payments
Gasless USDC transfers using TransferWithAuthorization
New HTTP Headers
PAYMENT-SIGNATURE, PAYMENT-RESPONSE, PAYMENT-REQUIRED
Discovery Extension
Automatic service registration and catalog at /discovery/resources