Build x402 Tools

Turn any API into a pay-per-use service in minutes. Our SDK handles payments, verification, and analytics.

1

Create Worker

Start with our Cloudflare Worker template. Zero infrastructure to manage.

2

Add Your Logic

Implement your tool's functionality. Any AI model, API, or computation.

3

Set Pricing

Define your price per request. Receive USDC directly to your wallet.

4

Deploy

One command deploys globally. AI agents can start using immediately.

Quick Start

// x402 tool with Cloudflare Workers
import { Hono } from 'hono';

const app = new Hono();

// Price: $0.05 per request
const PRICE_USDC = 50000; // micro-units

app.post('/api/my-tool', async (c) => {
  // Check for payment receipt
  const receipt = c.req.header('X-Payment-Receipt');

  if (!receipt) {
    // Return 402 with payment requirements
    return c.json({
      x402Version: 1,
      accepts: [{
        scheme: 'exact',
        network: 'base',
        maxAmountRequired: PRICE_USDC.toString(),
        asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913', // USDC
        payTo: 'YOUR_WALLET_ADDRESS',
      }]
    }, 402);
  }

  // Verify payment and execute tool logic
  const result = await doYourToolLogic(c.req);

  return c.json({ success: true, result });
});

export default app;

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Need help building?

Our team can help you design and implement x402 tools.

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