Stripe Payments and BillingNovember 1, 2025
Stripe Subscriptions in Next.js: The Beginner’s Guide
KG
Karl Gusta
Instructor & Founder
Stripe is one of the most popular tools for handling payments and subscriptions, and integrating it with Next.js is straightforward when you follow the right steps. This guide shows beginners how to build a subscription-based SaaS app.
Why Use Stripe for Your SaaS
- Secure, PCI-compliant payments out of the box
- Handles subscriptions, recurring billing, and invoices
- Works with Next.js through serverless API routes
- Simplifies scaling as your SaaS grows
Step 1: Set Up Stripe
- Create a Stripe account
- Add products and subscription plans in the Stripe dashboard
- Generate API keys for development and production
Step 2: Connect Stripe to Next.js
- Install Stripe SDK:
npm install stripe - Create serverless API routes in Next.js for creating checkout sessions
- Use environment variables to store API keys securely
Step 3: Build the Checkout Flow
- Create a pricing page with selectable subscription plans
- Trigger Stripe checkout from the frontend
- Handle success and cancellation redirects
Step 4: Handle Webhooks
- Set up webhook endpoint in Next.js to listen for subscription events
- Update MongoDB user records when subscriptions are created, updated, or canceled
- Send confirmation emails using transactional email service
Step 5: Test Everything
- Use Stripe test cards to verify payments
- Ensure webhook events update your database correctly
- Test login, dashboard access, and subscription restrictions
By the End, You’ll Have
- Stripe integrated with your Next.js SaaS app
- Fully functional subscription checkout flow
- Database updates and secure authentication
- A live, testable subscription product
Who Should Follow This Guide
- Beginners wanting to learn Stripe subscriptions hands-on
- Makers building subscription-based SaaS products
- Developers looking for practical Next.js + Stripe experience
Launch Your Subscription SaaS
Stop learning theory, start building. Launch your first SaaS app with Stripe subscriptions using Next.js today.