SSLCommerz works with frontend, backend, and database

🪜 Step 1: Sandbox Account

Sign up on SSLCommerz sandbox for test payments. Save your Store ID and Password.

🪜 Step 2: Backend Setup

Create a Node + Express server, install sslcommerz-lts, and build /init to send payment and customer info plus redirect URLs.

🪜 Step 3: Frontend Payment

Add a React “Pay Now” button. Post data to /init, get the Gateway URL, and redirect users to SSLCommerz.

🪜 Step 4: Handle Result

After payment, verify status on redirect URLs and update MongoDB.

🪜 Step 5: Display Outcome

Show users payment success, failure, or cancellation immediately.