Payments infrastructure for the internet.

stripe

Learn Stripe

### Accept payments & sell products powered by Stripe and the best of the JAMStack

There are as many ways to build an e-commerce store on the internet as there are products to sell. One thing is for certain, e-commerce is here to stay and as professional developers we need to understand how to build fully custom stores for our clients using the best modern tools available.

- React: flexible and customizable while following modern best practices
- Next.js: lightening fast with guide rails to help your project perform as consumers expect
- Stripe Checkout: lets you offload reams of complicated business logic to a trusted third party that maintains regulatory compliance, global payments, and a standard UX.

Your store will have well managed local component state using React Hooks and you'll also have clear and cohesive shared (global) state with React Context.

Finally you'll deploy your custom store to Vercel (the platform behind Next.js) as well as how to make your Next.js e-commerce store portable to deploy to other platforms.

React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

react

Create an eCommerce Store with Next.js and Stripe Checkout

How does e-commerce work on the Jamstack? 

Jason Lengstorf and [Thor 雷神](https://twitter.com/thorwebdev) teamed up on _Learn With Jason_ to [build a serverless Stripe Checkout implementation](https://www.learnwithjason.dev/sell-products-on-the-jamstack). This collection is a cleaned up, egghead-style tutorial for selling products on a Jamstack site using Netlify Functions and Stripe Checkout.

An all-in-one workflow that combines global deployment, continuous integration, and automatic HTTPS.

netlify

Sell Products Using Stripe Checkout and Netlify Functions

For your frontend, this application will be using Next.js and Tailwind CSS. You will learn how to maneuver around an app and build a strong static pricing page. 

For your backend AND authentication, we will make use of Supabase. Supabase is open source and is all of the backend services that you will need to build your site. It includes a dedicated and scalable Postgres database and user management with Row Level Security! 

Lastly, for payments, you will be using Stripe. It will be an individual payment checkout system that will create and update users' subscriptions. 

Jon will take you through all of this and more in just 1 hour and 10 minutes!

Supabase is an open source Firebase alternative. A service to:

- Listen to database changes.
- Query your tables, including filtering, pagination, and deeply nested relationships (like GraphQL).
- Create, update, and delete rows.
- Manage your users and their permissions.
- Interact with your database using a simple UI.

Supabase is not a 1-to-1 mapping of Firebase. Most notably, Supabase uses Postgres rather than a NoSQL store. 

supabase

Build a SaaS product with Next.js, Supabase and Stripe

snipcart

While we have a lot of options for the different payment gateways that we can use in order to take payments, we're going to use [Stripe](https://stripe.com/), which is a well-known secure payment processing platform, where it's going to be able to easily integrate into our Snipcart account.

Once we add our Stripe account, we will head over to the Snipcart dashboard where we will connect Stripe as our payment gateway, which simply allows us to go through an authentication process, where we will have Stripe configured.


Use Stripe as a Payment Gateway in Snipcart

Stripe has a variety of solutions that makes it super powerful as a payment provider. We're taking advantage of their Stripe Checkout product because it allows us to get started with an online store without having to manually accept payments.

To do this though, Stripe Checkout relies on the browser to make API requests, which we have to configure to work for our website.

We will set our eCommerce site domain on Stripe's CLIENT-ONLY integration to set us up to add the checkout workflow for our site.

Configure a Stripe Checkout Domain for Client-Only Integration

Next.js is a minimalistic framework for server-rendered React applications.

With Stripe or many other services, their APIs rely on special keys that authenticate requests or allow that service to track usage for things like billing.

Some of these keys are able to be used publicly and some must be kept private, but ultimately we want to have a way to easily manage these keys and not hard-code them into our application, which is where environment variables come in.

We will find our Stripe public key that will be used locally as well as in production on Vercel. You'll learn how to set an environment variable in Next.js (hint, you need to prepend `NEXT_PUBLIC` to the variable name make it available in the client) as well as in production on Vercel.

Add a Stripe API Key as an Environment Variable in Next.js & Vercel

Now that we have an app and our products configure in Stripe, it's time to connect the two and give people a way to purchase our products.

Using Stripe's API, we can initiate a new instance of the Stripe Checkout flow with a simple click of a button.

We'll create an `initiateCheckout` function that handles this flow for us. After loading stripe through `@stripe/stripe-js` we'll `await` a `stripePromise` that will allow us to redirect to stripes checkout flow. You'll notice that we will need to pass in line items with the price id and quantity.

Integrate Stripe Checkout to Purchase Products in Next.js with Stripe @stripe/stripe-js Cl

Each of our subscription options will be a product in Stripe. In this video, we create a `/pricing` page to display our new products. We use the Stripe package to fetch these options at build time and add some simple styling to make it look nice!

Annoyingly, the `prices` list is what we need to request for pricing information, but does not contain product information - such as `name`. This means we need to make an additional request for the product information for each price. Good thing we are only doing this once at build time, as the request time could add up pretty quickly, if we needed to do this on every request!

Lastly, we sort the list of plans from Stripe, to ensure that the prices go up in ascending order. Since each plan has a price, we can use a simple native JS sorting technique.

Use Stripe.js to Query Product Data and Pre-Render with Next.js

There are a few steps to go through to push our application and all of our services to production!

1. In order to "activate" our Stripe account, we need to fill out some details about our business. 

2. Update everywhere `[http://localhost:3000](http://localhost:3000)` is referenced in our application to use the `CLIENT_URL` environment variable, which can be set to localhost in `.env.local`.

3. Create a GitHub repo, and commit and push all of our changes.

4. Create a Vercel account, import project from GitHub, configure all environment variables and deploy!

5. Use our Vercel domain to configure our Customer Portal and Webhooks in Stripe.

6. Update `STRIPE_SIGNING_SECRET` environment variable in Vercel and manually redeploy.

7. Update our Site URL in Supabase and remove our test `user` and `profile` records.

8. Create a function hook in Supabase to use our Vercel domain

We now have a SaaS application deployed to the Internet that we can start making that side hustle money from!! 🎉

Configure Stripe for Production and Deploy Next.js Application with Vercel

We can use Stripe's Customer Portal to allow our users to manage their subscription and payment information. We will configure the Customer Portal in the Stripe Dashboard and create the required pages for `/terms` and `/privacy`.

Additionally, we create an API route to initiate our customer portal session. Similarly to our API route that charges for a subscription, we need to get the token from the cookie, add it to the Supabase session and fetch the associated `profile` data. 

Since the `updated` event gets triggered for creating a new subscription, as well as updating an existing one, and we want to perform the same changes in our Supabase DB, we can replace our case statement to handle `customer.subscription.updated`.

Lastly, we implement a case for `deleted`, setting `is_subscribed` to `false` and `interval` to `null`. Since this event doesn't actually trigger until the end of the customer's billing cycle, we can manually cancel the user's subscription from the Stripe dashboard.

Allow Customer to Manage Their Subscription with Stripe Customer Portal

Webhooks allow us to subscribe to particular events, and have Stripe let us know when they occur. From the Stripe dashboard we can specify an endpoint to call, and which events we care about. For subscriptions, we want to know when a new subscription occurs, is updated, or deleted.

In this video, we create a new API route to handle webhook events from Stripe. We can call the `stripe.webhooks.constructEvent` function which returns the event object. It also takes the `req`, `signature` and `signingSecret` to verify the request is valid and came from Stripe.

The `signature` can be extracted from the request's headers, and the signing secret is available in the Stripe dashboard, however, the Next.js `req` object is a different structure to what `constructEvent` is expecting. Therefore, we need to install the `micro` package and use its `buffer` function to get the `reqBuffer`. We also need to export a config object from our page component, setting `bodyParser` to `false`.

Subscribe to Stripe Webhooks Using Next.js API Routes

Stripe makes taking payments easy. We can use the Stripe library to create a checkout session. This takes a configuration object, which describes how we want to charge our customer, the method we would like to use, and where we want to redirect the user based on a successful transaction or cancellation.

In this video, we create a new API route to initiate a Stripe session to charge for a particular subscription option. This API route returns the session's ID, which we can use to redirect the client. In order to do this, we install the `stripe-js` library - which is used client-side to interact with Stripe - and initialize it using our `publishable` key.

Lastly, we can use the test credit card for Stripe to confirm everything is working in test mode.

Charge Customer for Stripe Subscription in Next.js

Every transaction in Stripe is associated with a customer. Since we want our user to be able to see their transaction history in Stripe, we need to keep a track of their customer ID in our `profile` table.

In this video, we create a new Stripe account and configure our Next.js application to use its publishable and secret API keys. Additionally, we discuss by adding `NEXT_PUBLIC_` to our environment variable names, it exposes them to the client - running in the user's browser. This is entirely safe for our publishable key - which can be public - but not our secret key - which should always be kept private.

To create a Stripe customer, we need to use our private API key, meaninh this logic will need to be executed on the server. Next.js makes this simple with API routes - special serverless functions that will be created for any `.js` files in the `pages/api` directory.

We create a new API route to handle adding a stripe customer and updating the user's profile with their customer ID. 

Create a Stripe Customer with Next.js API Routes

You will implement stripe checkout in your application so that customers can buy products.

To do this, you will first create a Next.js API route that starts a stripe session and passes in products that are in the cart. This will forward users to the Stripe checkout page where they can input their credit card information.

Upon success or cancel, stripe will forward the user back to urls that you set.

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