Meridian

Developer demo

Same-chain x402 payment

The seller endpoint returns a 402 challenge for Base Sepolia. The browser signs one EIP-3009 authorization with viem and resubmits the request; the server settles it through Meridian. No transaction is submitted by the buyer and no gas is paid.

Wallet

Account: Not connected

Network: No network detected

Seller `accepts`

Loading challenge…

Test USDC on Base Sepolia is available from Circle's faucet (faucet.circle.com). `payTo` targets the Meridian facilitator, not the merchant wallet — the payout recipient is configured in organization settings.