thirdweb

npm install dotenv

THIRDWEB_SECRET_KEY=your_secret_key
WALLET_ADDRESS=your_thirdweb_server_wallet_address
RECEIVER=your_x_username
AMOUNT=0.01

import { config } from "dotenv";

config();

async function sendPayment() {
  const receiver = process.env.RECEIVER as string;
  const amount = parseFloat(process.env.AMOUNT || "0.01");
  const secretKey = process.env.THIRDWEB_SECRET_KEY as string;
  const walletAddress = process.env.WALLET_ADDRESS as string;

  if (!receiver || !secretKey || !walletAddress) {
    console.error("Missing required environment variables: RECEIVER, THIRDWEB_SECRET_KEY, and WALLET_ADDRESS");
    process.exit(1);
  }

  console.log("🚀 Starting Snack Money payment with thirdweb\n");
  console.log(`📍 Wallet Address: ${walletAddress}`);
  console.log(`💡 Check balance: https://basescan.org/address/${walletAddress}\n`);

  const url = "https://api.snack.money/payments/x/pay";
  const encodedUrl = encodeURIComponent(url);
  const usdcAddress = "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"; // USDC on Base
  const chainId = 8453; // Base network
  const maxValue = 1000000; // 1 USDC in smallest units (6 decimals)

  console.log(`💸 Sending ${amount} USDC to @${receiver} on X...\n`);

  // Use thirdweb's x402 fetch wrapper
  const response = await fetch(
    `https://api.thirdweb.com/v1/payments/x402/fetch?from=${walletAddress}&url=${encodedUrl}&method=POST&chainId=${chainId}&maxValue=${maxValue}&asset=${usdcAddress}`,
    {
      method: "POST",
      headers: {
        "x-secret-key": secretKey,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        amount,
        currency: "USDC",
        receiver,
        description: "Payment via thirdweb x402 wrapper"
      })
    }
  );

  const data = await response.json();

  if (response.status === 200) {
    console.log("✅ Payment successful!");
    console.log("\n📊 Response:", JSON.stringify(data, null, 2));
  } else {
    console.error("❌ Payment failed");
    console.error("Status:", response.status);
    console.error("Response:", JSON.stringify(data, null, 2));
  }
}

sendPayment();

npm run base
# or
npx tsx base-send.ts

🚀 Starting Snack Money payment with thirdweb

✅ Initialized thirdweb client
💸 Sending 0.01 USDC to @username on X...

✅ Payment successful!

📊 Response: {
  "code": 200,
  "msg": "0.01 USDC sent successfully",
  "data": {
    "txn_id": "0xabc...def",
    "amount": 0.01,
    "receipt": "https://snack.money/x/username?txn=..."
  }
}

// X (Twitter)
await api.post("/payments/x/pay", {
  amount: 0.01,
  receiver: "username",
  currency: "USDC"
});

// Farcaster
await api.post("/payments/farcaster/pay", {
  amount: 0.5,
  receiver: "username",
  currency: "USDC"
});

// GitHub
await api.post("/payments/github/pay", {
  amount: 1.0,
  receiver: "username",
  currency: "USDC"
});

import { inAppWallet } from "thirdweb/wallets";

// Create in-app wallet for users
const wallet = inAppWallet();
await wallet.connect({
  client,
  strategy: "email",
  email: "user@example.com"
});

import { smartWallet } from "thirdweb/wallets";

const wallet = smartWallet({
  chain: base,
  gasless: true
});

try {
  const response = await api.post("/payments/x/pay", {
    amount: 0.01,
    currency: "USDC",
    receiver: "username"
  });
  console.log("Success:", response.data);
} catch (error) {
  console.error("Payment failed:", error);
}

{
  "dependencies": {
    "thirdweb": "^5.0.0",
    "axios": "^1.6.0",
    "x402-axios": "latest",
    "viem": "^2.0.0"
  }
}