💳Stripe

Stripe Setup Tutorial

Fast Phoenix integrates seamlessly with Stripe to handle subscriptions and payments. Follow these steps to configure Stripe for your project.

Step 1: Prepare Your Environment Variables

Fast Phoenix uses environment variables to manage Stripe configuration. Open your .env file and ensure the following variables are set:

# Stripe API Configuration
STRIPE_API_KEY=sk_test_your_stripe_api_key
STRIPE_SIGNING_SECRET=your_signing_secret
STRIPE_API_BASE_URL=http://localhost:4000

# Product and Pricing IDs
STRIPE_PRO_PRICE_ID=price_pro_id
STRIPE_PRO_PRICE=30
STRIPE_ENTERPRISE_PRICE_ID=price_enterprise_id
STRIPE_ENTERPRISE_PRICE=100

STRIPE_PORTAL_ID=portal_test_id

Replace the placeholder values with your actual Stripe credentials and product/pricing details.

Step 2: Create Products and Prices in Stripe

Log in to Stripe Dashboard Access your Stripe Dashboard.
Create Two Products
- Pro Plan
  - Name: Pro
  - Price: $30
  - Billing: Monthly
- Enterprise Plan
  - Name: Enterprise
  - Price: $100
  - Billing: Monthly
Copy Product Price IDs After creating the products, navigate to the pricing details and copy the Price IDs for each product. Replace the STRIPE_PRO_PRICE_ID and STRIPE_ENTERPRISE_PRICE_ID values in your .env file with these IDs.

Step 3: Set Up Stripe Webhooks

Stripe uses webhooks to notify your application about important events like successful payments.

Run Your Application Start your local development server:
```
mix phx.server
```
Install Stripe CLI Download and install the Stripe CLI to set up webhook forwarding.
Forward Events to Your Application Use the Stripe CLI to forward webhook events to your local server:
```
stripe listen --forward-to localhost:4000/webhook
```
Copy the generated signing secret and update your .env file’s STRIPE_SIGNING_SECRET.
Set Up Webhook Endpoint in Stripe For Prod
- Navigate to the Webhooks section of the Stripe Dashboard.
- Add a new endpoint pointing to https://your-domain.com/webhooks/stripe for production.

Step 4: Test Your Setup

Test Subscription Creation Use Stripe's test card numbers (e.g., 4242 4242 4242 4242) to simulate subscriptions.

Step 5: Optional - Enable Customer Portal

In the Stripe Dashboard, enable the Customer Portal.
Copy the Customer Portal URL and save it in your .env as STRIPE_PORTAL_ID.

Extra:

We have written a stripe_helpers.ex module that creates checkout sessions for new subscribers and upgrading/downgrading subscribers, and a request helper function for hitting up Stripe's API. For example:

price_id = StripeHelpers.get_price_id(session_id)

# email being the logged in user.
case StripeHelpers.create_checkout_session(price_id, email) do
      {:ok, url} ->
        redirect(conn, external: url)
      {:error, reason} ->
        IO.inspect(reason)
        redirect(conn, to: "/")
      _ ->
        redirect(conn, to: "/")
    end

Your Stripe setup is now complete! You can start accepting payments, managing subscriptions, and leveraging Fast Phoenix’s built-in features to streamline your billing processes. 🚀

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Last updated 5 months ago