Gasless Micropayments for the Agentic Economy

Enable AI agents to transact autonomously without gas fees. Built on x402 protocol with EIP-3009 meta-transactions.

Mainnets
Avalanche Avalanche C-Chain
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AVAX Balance
Base Base
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ETH Balance
Celo Celo
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CELO Balance
Powered by Celo Colombia
HyperEVM HyperEVM
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HYPE Balance
Polygon Polygon
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POL Balance
Solana Solana
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SOL Balance
Optimism Optimism
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ETH Balance
Ethereum Ethereum
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ETH Balance
Arbitrum Arbitrum
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ETH Balance
Unichain Unichain
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ETH Balance
Monad Monad
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MON Balance
NEAR NEAR
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NEAR Balance
Stellar Stellar
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XLM Balance
Testnets
Avalanche Avalanche Fuji
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AVAX
Base Base Sepolia
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ETH
Celo Celo Sepolia
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CELO
Powered by Celo Colombia
Polygon Polygon Amoy
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POL
Optimism Optimism Sepolia
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ETH
Ethereum Ethereum Sepolia
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ETH
Arbitrum Arbitrum Sepolia
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ETH
Unichain Unichain Sepolia
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ETH
NEAR NEAR Testnet
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NEAR
Stellar Stellar Testnet
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XLM
EVM Wallets
Solana Wallets
NEAR Wallets
Stellar Wallets
~2s
Settlement Time
$0
Gas Fees for Agents
100%
Trustless Verification

Gasless Transactions

Agents never need AVAX or ETH for gas. The facilitator executes transferWithAuthorization via EIP-3009.

🔐

Trustless by Design

EIP-712 signature verification ensures cryptographically valid payments before on-chain execution.

🌐

Multi-Network Support

Supports Avalanche (Fuji testnet and C-Chain mainnet), Base (Sepolia testnet and mainnet), and Celo (Sepolia testnet and mainnet).

🚀

Instant Settlement

Complete payment verification and on-chain settlement in ~2-3 seconds end-to-end.

Integrate in Minutes

import { Hono } from "hono";
import { paymentMiddleware, Network } from "x402-hono";

const app = new Hono();

// Configure payment middleware
app.use(paymentMiddleware(
  "0xYourAddress",
  {
    "/protected-route": {
      price: "$0.01",
      network: "any-supported-network",
      config: {
        description: "Access to premium content"
      }
    }
  },
  {
    url: 'https://facilitator.ultravioletadao.xyz' // 👈 This facilitator
  }
));

What is x402?

x402 is a protocol for stateless, per-request payments over HTTP. Clients attach a signed payment payload to each request. The facilitator verifies it, executes the on-chain transfer, and grants access to protected resources—all without accounts, wallets, or user registration.

API Endpoints

GET /health Check facilitator health status
GET /supported List supported payment schemes and networks
POST /verify Verify payment signature and requirements
POST /settle Execute payment on-chain via EIP-3009