Crypto payments for Meta services and AI agents

// Express.js (TypeScript)
import express from "express";
import { paywall, initMetaPay, MetaPayConfig } from "@metapay402/express";

const app = express();

initMetaPay(new MetaPayConfig({
  walletAddress: "YOUR_WALLET_ADDRESS",
  tokenMint: "USDC_MINT_ADDRESS"
}));

app.get("/meta-ads",
  paywall({ price: "0.10" }),
  (req, res) => res.json({ data: "Ad insights and premium metrics" })
);

app.listen(3000, () => console.log("MetaPay402 Express server running on port 3000"));