Hono

mkdir my-server && cd my-server
npm init -y && npm pkg set type=module
npm install hono @hono/node-server dotenv @payai/facilitator @x402/core @x402/evm @x402/extensions @x402/hono @x402/svm
npm install -D typescript tsx

mkdir my-server && cd my-server
pnpm init && pnpm pkg set type=module
pnpm add hono @hono/node-server dotenv @payai/facilitator @x402/core @x402/evm @x402/extensions @x402/hono @x402/svm
pnpm add -D typescript tsx

mkdir my-server && cd my-server
bun init -y
bun add hono @hono/node-server dotenv @payai/facilitator @x402/core @x402/evm @x402/extensions @x402/hono @x402/svm
bun add -d typescript

EVM_ADDRESS=0x...   # EVM wallet address to receive payments
SVM_ADDRESS=...    # Solana wallet address to receive payments

import { config } from "dotenv";
import { paymentMiddleware, x402ResourceServer } from "@x402/hono";
import { ExactEvmScheme } from "@x402/evm/exact/server";
import { ExactSvmScheme } from "@x402/svm/exact/server";
import { HTTPFacilitatorClient } from "@x402/core/server";
import { declareDiscoveryExtension } from "@x402/extensions/bazaar";
import { facilitator } from "@payai/facilitator";
import { Hono } from "hono";
import { serve } from "@hono/node-server";

config();

const evmAddress = process.env.EVM_ADDRESS as `0x${string}`;
const svmAddress = process.env.SVM_ADDRESS;
if (!evmAddress || !svmAddress) {
  console.error("Missing required environment variables");
  process.exit(1);
}

const facilitatorClient = new HTTPFacilitatorClient(facilitator);

const app = new Hono();

app.use(
  paymentMiddleware(
    {
      "GET /weather": {
        accepts: [
          {
            scheme: "exact",
            price: "$0.001",
            network: "eip155:84532",
            payTo: evmAddress,
          },
          {
            scheme: "exact",
            price: "$0.001",
            network: "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
            payTo: svmAddress,
          },
        ],
        description: "Weather data",
        mimeType: "application/json",
        serviceName: "Weather API",
        tags: ["weather", "api"],
        extensions: {
          ...declareDiscoveryExtension({
            output: {
              example: {
                report: {
                  weather: "sunny",
                  temperature: 70,
                },
              },
            },
          }),
        },
      },
    },
    new x402ResourceServer(facilitatorClient)
      .register("eip155:84532", new ExactEvmScheme())
      .register("solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1", new ExactSvmScheme()),
  ),
);

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

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

console.log(`Server listening at http://localhost:4021`);

npx tsx index.ts

PAYAI_API_KEY_ID=your-key-id
PAYAI_API_KEY_SECRET=your-key-secret