UnifyPayment

UnifyPayment is a TypeScript package that provides a unified interface for integrating with multiple payment providers, such as Stripe, LemonSqueezy, and more. With UnifyPayment, developers can easily switch between different payment providers without having to rewrite their payment logic.

Features

• Unified API: Use a single class to interact with various payment providers.
• Provider Agnostic: Switch between different payment providers with minimal code changes.
• Easy Integration: Simplifies the integration process with well-documented methods and examples.
• Extensible: Easily add support for new payment providers as needed.

Providers

Provider	Checkout	Verify Webhook	Tested Checkout	Tested Webhook
Stripe	Yes	Yes	✅	✅
LemonSqueezy	Yes	Yes	✅	✅
SSLCommerz	Yes	No	❌	❌
PayPal	Yes	No	❌	❌
Bkash	Yes	No	❌	❌
Nagad	Yes	No	❌	❌
Razorpay	Yes	Yes	❌	❌
Polar	Yes	Yes	❌	❌
Paddle	Yes	Yes	❌	❌
Coinbase	Yes	Yes	❌	❌

Installation

To install the package, run the following command:

npm install @unify-payment/node

Usage

import { createPayment } from "@unify-payment/node";

Stripe

const payment = createPayment({
  provider: "stripe",
  apiKey: process.env.STRIPE_SECRET_KEY!,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  productName: "Pro Plan",
});

LemonSqueezy

const payment = createPayment({
  provider: "lemonsqueezy",
  apiKey: process.env.LEMON_SECRET_KEY!,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  storeId: "your-store-id",
  variantId: "your-variant-id",
});

PayPal

const payment = createPayment({
  provider: "paypal",
  clientId: process.env.PAYPAL_CLIENT_ID!,
  clientSecret: process.env.PAYPAL_CLIENT_SECRET!,
  sandbox: true,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  description: "Pro Plan",
});

Paddle

const payment = createPayment({
  provider: "paddle",
  apiKey: process.env.PADDLE_API_KEY!,
  sandbox: true,
});

const { url } = await payment.createCheckoutSession({
  priceId: "pri_xxxxx",
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
});

Polar

const payment = createPayment({
  provider: "polar",
  accessToken: process.env.POLAR_ACCESS_TOKEN!,
  sandbox: true,
});

const { url } = await payment.createCheckoutSession({
  productId: "your-product-id",
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
});

Coinbase

const payment = createPayment({
  provider: "coinbase",
  apiKey: process.env.COINBASE_API_KEY!,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  name: "Pro Plan",
  description: "Monthly subscription",
});

Razorpay

const payment = createPayment({
  provider: "razorpay",
  keyId: process.env.RAZORPAY_KEY_ID!,
  keySecret: process.env.RAZORPAY_KEY_SECRET!,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "inr",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  description: "Pro Plan",
});

SSLCommerz

const payment = createPayment({
  provider: "sslcommerz",
  apiUrl: process.env.SSLCOMMERZ_API_URL!,
  storeId: process.env.SSLCOMMERZ_STORE_ID!,
  storePassword: process.env.SSLCOMMERZ_SECRET_KEY!,
});

const { url } = await payment.createCheckoutSession({
  amount: 2999,
  currency: "usd",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  transactionId: "txn_123",
  customerName: "John Doe",
  customerEmail: "john@example.com",
  customerAddress: "123 Main St",
  customerCity: "Dhaka",
  customerState: "Dhaka",
  customerPostcode: "1000",
  customerCountry: "Bangladesh",
  customerPhone: "01700000000",
  productName: "Pro Plan",
  productCategory: "SaaS",
});

Bkash

const payment = createPayment({
  provider: "bkash",
  apiUrl: process.env.BKASH_API_URL!,
  username: process.env.BKASH_USERNAME!,
  password: process.env.BKASH_PASSWORD!,
  appKey: process.env.BKASH_APP_KEY!,
  appSecret: process.env.BKASH_APP_SECRET!,
});

const { url } = await payment.createCheckoutSession({
  amount: 500,
  currency: "BDT",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  payerReference: "01700000000",
  merchantInvoiceNumber: "INV-123",
});

Nagad

const payment = createPayment({
  provider: "nagad",
  merchantId: process.env.NAGAD_MERCHANT_ID!,
  merchantNumber: process.env.NAGAD_MERCHANT_NUMBER!,
  privateKey: process.env.NAGAD_PRIVATE_KEY!,
  publicKey: process.env.NAGAD_PUBLIC_KEY!,
  callbackUrl: "https://example.com/callback",
  apiVersion: "v1",
  isLive: false,
});

const { url } = await payment.createCheckoutSession({
  amount: 500,
  currency: "BDT",
  successUrl: "https://example.com/success",
  cancelUrl: "https://example.com/cancel",
  orderId: "order_123",
  ip: "127.0.0.1",
});

Webhook Verification

Providers that support webhook verification: Stripe, LemonSqueezy, Razorpay, Polar, Paddle, Coinbase.

const payment = createPayment({
  provider: "stripe",
  apiKey: process.env.STRIPE_SECRET_KEY!,
});

const webhookEvent = await payment.verifyWebhook!({
  body: await c.req.text(),
  signature: c.req.header("Stripe-Signature")!,
  secret: process.env.STRIPE_WEBHOOK_SECRET!,
});

console.log(webhookEvent.type); // e.g. "checkout.session.completed"
console.log(webhookEvent.data); // event payload

Contributing

We welcome contributions to UnifyPayment! If you'd like to help improve this package, here's how you can contribute:

1. Fork the Repository: Start by forking the UnifyPayment repository on GitHub.

2. Clone Your Fork: Clone your fork to your local machine for development.

   git clone https://github.com/shakibhasan09/unify-payment

3. Create a Branch: Create a new branch for your feature or bug fix.

   git checkout -b feature/your-feature-name

4. Create: apps directory and setup a nodejs project inside the apps directory.

5. Add Dependencies: Add @unify-payment/node as a dependencies to the apps/nodejs-project/package.json file.

6. Make Changes: Implement your changes or improvements to the codebase.

7. Test Your Changes: Ensure that your changes don't break any existing functionality and add tests if necessary.

8. Commit Your Changes: Commit your changes with a clear and descriptive commit message.

   git commit -m "Add a brief description of your changes"

9. Push to Your Fork: Push your changes to your GitHub fork

   git push origin feature/your-feature-name

10. Submit a Pull Request: Go to the original UnifyPayment repository and submit a pull request with a clear description of your changes.

Guidelines

• Follow the existing code style and conventions.
• Write clear, concise commit messages.
• Add or update tests for new features or bug fixes.
• Update documentation as needed.
• Be respectful and constructive in discussions and code reviews.