Facilitator URL
One endpoint for every chain. Point your x402 client here.
https://x402.dexter.cash
Use this same URL for all supported chains: Solana, Base, Polygon, Avalanche, and more.
Arbitrum One
Full x402 v2 support for Arbitrum One. Settle payments on Ethereum's leading Layer 2 with the most active DeFi ecosystem.
How it works on Arbitrum
Buyers pay on Arbitrum. Dexter verifies the x402 payment, signs the receipt, and settles to the seller on Arbitrum.
BuyerPay on Arbitrum
DexterVerify + settle
SellerReceive on Arbitrum
Capabilities
Everything you need to accept x402 payments on Arbitrum.
x402 v2 on Arbitrum
Full v2 support on Arbitrum One with chain-native receipts.
DeFi-native audience
Reach users already active in the most sophisticated DeFi ecosystem.
Public facilitator URL
One endpoint shared across every supported chain.
Gas-free for buyers
Dexter sponsors ETH fees, buyers only need USDC.
Integration & resources
Use the same facilitator endpoint everywhere.
Documentation
Follow the integration guide and migration notes for x402 v2.
Open DocsFacilitator dashboard
Live status, settlement metrics, and chain coverage in one view.
Open DashboardArbitrum quickstart
Drop this into your stack and start collecting payments.
Install
npm i @dexterai/x402Example
import { createX402Server } from '@dexterai/x402/server';
const server = createX402Server({
payTo: 'YourArbitrumAddress',
network: 'eip155:42161',
facilitatorUrl: 'https://x402.dexter.cash',
});
const requirements = await server.buildRequirements({
amountAtomic: '30000',
resourceUrl: '/api/paid-endpoint',
});
res.setHeader('PAYMENT-REQUIRED', server.encodeRequirements(requirements));
res.status(402).end();