How to Integrate Stripe Payment in Core PHP (No Composer, No SDK, Using cURL) This article is part of our "Simple Integration Series." If you’ve tried integrating Stripe before, you’ve probably noticed one thing—most tutorials are complex. They use frameworks, SDKs, or multiple files. 👉 In this guide, we’ll do the opposite. We will integrate Stripe using: Core PHP Single-file setup No Composer No Stripe SDK Only cURL Perfect for beginners and quick projects. ✅ What You’ll Learn How to integrate Stripe using pure PHP How to create a Checkout session using cURL How Stripe authentication works How to verify payment status Common mistakes to avoid Requirements Before starting, make sure you have: PHP 7 or higher cURL enabled in PHP A Stripe account Your Stripe API Secret Key (sk_test_...) Important Note We are not using Stripe’s official PHP library here.…