Base

MAINNET

Full x402 v2 support for Base mainnet. Settle payments on Ethereum L2 with low fees and fast confirmations.

Stats byx402glecoming soon

The most comprehensive dataset on agent commerce that exists. Every facilitator, every resource, every chain — indexed in real time from Dexter's own data layer.

Capabilities on Base

exact + upto schemes

Fixed-price (exact) and usage-based billing (upto). Authorize a max, settle for actual usage.

Low-fee L2 settlement

Settle payments on Ethereum L2 with fast confirmations.

Cross-chain bridge

Solana-to-Base bridged payments via the bridge scheme at 0.1% fee.

Same API surface

All chains use the same API — one integration works everywhere.

Integration

https://x402.dexter.cash

Same endpoint for all supported chains

Documentation Dashboard SDK

Base quickstart

Install

npm i @dexterai/x402

Usage

import { createX402Server } from '@dexterai/x402/server';

const server = createX402Server({
  payTo: 'YourBaseAddress',
  network: 'eip155:8453',
  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();