x402 payments
x402 payments on Starknet, Base and Ethereum.
Base · Ethereum · Starknet
Mainnet.
On Starknet, the payer can stay out of the payment transaction. By invitation for now.
A receipt, every step established·Verify a receipt·Pay on Starknet, get a receipt on Starknet
Your agent asks for a resource, gets a price, pays, and receives the resource. Each deposited receipt is a public record on Starknet.
Live
What you can pay today
Three offers, open now. Each one answers in standard x402 v2: HTTP 402 with a PAYMENT-REQUIRED header that carries the price.
Starknet: 0.5 STRK per call
The facilitator submits the transaction.
https://pay.vauban.tech/x402-mainnet/v1/quoteReceipt
Check your receipt
Check a receipt on the Apodix explorer: it shows what is proven, and what is not yet.