React

Integrating PayPal into a React application involves the following steps:

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Step 1: Set Up a PayPal Account

  1. Create a PayPal Developer Account
    Go to the PayPal Developer Portal and log in with your PayPal account.
  2. Create an App
    • Navigate to the “My Apps & Credentials” section.
    • Create a new app under the “Sandbox” tab for testing.
    • Obtain the Client ID and Secret for integration.

Step 2: Install PayPal SDK

PayPal provides a JavaScript SDK to integrate with its services.

bash
npm install @paypal/react-paypal-js

Step 3: Add PayPal to Your React App

1. Set Up PayPal Script Provider

Wrap your app with the PayPalScriptProvider. This loads the PayPal SDK globally.

javascript
import React from 'react';
import { PayPalScriptProvider } from "@paypal/react-paypal-js";
import App from './App';

const PayPalApp = () => (
<PayPalScriptProvider options={{ "client-id": "YOUR_CLIENT_ID" }}>
<App />
</PayPalScriptProvider>
);

export default PayPalApp;

Replace YOUR_CLIENT_ID with the sandbox or production client ID from your PayPal app.

2. Add PayPal Buttons

You can use the PayPalButtons component to display PayPal’s payment buttons.

javascript
import React from "react";
import { PayPalButtons } from "@paypal/react-paypal-js";

const PayPalCheckout = () => {
return (
<div>
<h1>Pay with PayPal</h1>
<PayPalButtons
createOrder={(data, actions) => {
return actions.order.create({
purchase_units: [
{
amount: {
value: "100.00", // Amount to be charged
},
},
],
});
}}
onApprove={(data, actions) => {
return actions.order.capture().then((details) => {
alert(`Transaction completed by ${details.payer.name.given_name}`);
console.log(details);
});
}}
onError={(err) => {
console.error("PayPal Checkout Error:", err);
}}
/>
</div>
);
};

export default PayPalCheckout;

Step 4: Test in Sandbox

  1. Use the sandbox account details from your PayPal Developer Dashboard to test payments.
  2. Click the PayPal button and follow the process to simulate a payment.

Step 5: Deploy to Production

  1. Replace the sandbox client-id with the production client-id in PayPalScriptProvider.
  2. Test thoroughly in production mode.

Optional: Customize Buttons

The PayPalButtons component accepts additional props for customization.

javascript
<PayPalButtons
style={{
layout: "vertical",
color: "blue",
shape: "pill",
label: "checkout",
}}
fundingSource="paypal"
/>

Advanced Features

  1. Server-Side Integration
    For more secure processing, you can use PayPal’s server-side APIs to handle orders and transactions.
  2. Subscriptions
    PayPal supports recurring payments. You can configure subscription buttons with subscription_id.
  3. Webhooks
    Set up PayPal webhooks to track payment status updates automatically.

Full Example Code

App.js

javascript
import React from "react";
import { PayPalScriptProvider, PayPalButtons } from "@paypal/react-paypal-js";

const App = () => (
<PayPalScriptProvider options={{ "client-id": "YOUR_CLIENT_ID" }}>
<div>
<h1>React PayPal Integration</h1>
<PayPalButtons
createOrder={(data, actions) => {
return actions.order.create({
purchase_units: [
{
amount: { value: "50.00" },
},
],
});
}}
onApprove={(data, actions) => {
return actions.order.capture().then((details) => {
console.log("Payment Approved:", details);
alert(`Transaction completed by ${details.payer.name.given_name}`);
});
}}
onError={(err) => {
console.error("Error:", err);
}}
/>
</div>
</PayPalScriptProvider>
);

export default App;

Resources

This tutorial provides a complete guide to setting up PayPal in React. Let me know if you need help with specific parts!

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