PayMeQR

🚀 Installation

CDN (Browser):

<script src="https://cdn.jsdelivr.net/npm/paymeqr@latest/dist/paymeqr.min.js"></script>

Node.js:

npm install paymeqr

⚡ Quick Start

Browser usage:

<script>
const qr = new PayMeQR({ upiId: "you@upi" });
qr.setAmount(50).setNote("Thanks!").createQrCode().then(img => {
  document.body.appendChild(img);
});
</script>

Node.js basic usage (Base64 image):

const PayMeQR = require("paymeqr");

(async () => {
  const qr = new PayMeQR({ upiId: "you@upi" });
  qr.setPayeeName("Dev").setAmount(100).setNote("Test payment");
  const base64 = await qr.createQrCode();
  console.log(base64);
})();

Node.js (Generate Buffer + Save to File):

const fs = require("fs");
const PayMeQR = require("paymeqr");

(async () => {
  const qr = new PayMeQR({ upiId: "you@upi" });
  qr.setAmount(99.99).setNote("Support Me");

  const buffer = await qr.getQrCodeBuffer(); // ⬅ Buffer output
  fs.writeFileSync("upi-qr.png", buffer);
})();

Node.js (Use in Express API):

const express = require("express");
const PayMeQR = require("paymeqr");

const app = express();
app.get("/qr", async (req, res) => {
  const qr = new PayMeQR({ upiId: "you@upi" });
  const buffer = await qr.getQrCodeBuffer();
  res.set("Content-Type", "image/png");
  res.send(buffer);
});

app.listen(3000, () => console.log("QR API running on port 3000"));

📘 API Reference

🌐 Compatibility

• Browser: ✅ Returns QR as image element
• Node.js: ✅ Base64 or Buffer output