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Getting started with Hono

Start accepting 402 payments in your Hono server in 2 minutes.
You can find the full code for this example here.

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Step 1: Install dependencies

npm install x402-hono hono dotenv @hono/node-server

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Step 2: Set your environment variables

echo "ADDRESS=0x...\nFACILITATOR_URL=https://facilitator.payai.network\nNETWORK=solana-devnet" > .env
Your .env file should look like this: 
ADDRESS=0x... # the wallet address you will receive payments on, could be evm or solana
FACILITATOR_URL=https://facilitator.payai.network
NETWORK=solana-devnet # or base-sepolia, avalanche, etc.

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Step 3: Create a new Hono app

index.ts
import { config } from "dotenv";
import { Hono } from "hono";
import { serve } from "@hono/node-server";
import { paymentMiddleware, Network, Resource } from "x402-hono";

config();

const facilitatorUrl = process.env.FACILITATOR_URL as Resource;
const payTo = process.env.ADDRESS as `0x${string}`;
const network = process.env.NETWORK as Network;

if (!facilitatorUrl || !payTo || !network) {
  console.error("Missing required environment variables");
  process.exit(1);
}

const app = new Hono();

console.log("Server is running");

app.use(
  paymentMiddleware(
    payTo,
    {
      "/weather": {
        price: "$0.001",
        network,
      },
    },
    {
      url: facilitatorUrl,
    },
  ),
);

app.get("/weather", c => {
  return c.json({
    report: {
      weather: "sunny",
      temperature: 70,
    },
  });
});

serve({
  fetch: app.fetch,
  port: 4021,
});

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Step 4: Run the server

npx tsx index.ts
Your server is now accepting x402 payments!

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Step 5: Test the server

You can test payments against your server locally by following the fetch example or the axios example. Just set your environment variables to match your local server, install the dependencies, and run the examples.

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