There are many ways to integrate Stripe into your Lovable project. The most straightforward approach is to use Stripe’s built-in Payment Links for quick and easy checkout. For advanced setups, including webhooks and subscription handling, Lovable recommends integrating Supabase for secure and efficient payment processing.

For example, if you are selling individual products, make sure they are properly implemented, that you have a working shopping cart function and checkout page.

If you are offering subscriptions, ensure that all login functionalities and different subscription tiers are set up and working correctly.

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Key Takeaways

  • Use Stripe’s no-code Payment Links for a quick checkout flow and simply paste the link into Lovable.
  • For advanced setups (webhooks, subscriptions), connect Supabase through Lovable for secure handling.
  • Never share your secret keys in chat—add them securely via Lovable’s “Add API key” feature.
  • Debug by checking logs in your browser console, Supabase Edge Functions, and Stripe’s webhook logs.
  • Continue exploring Stripe’s robust payment solutions—Lovable guides you step by step for smooth integration.

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Requirements

Before integrating Stripe, ensure the following prerequisites are met:

  • The project must be connected to Supabase. Learn more about Supabase
  • A Stripe account with properly configured products.
  • A working frontend and backend:
    • For individual product sales, ensure a shopping cart and checkout page are functional.
    • For subscriptions, set up login functionalities and different pricing tiers.

Please note Stripe integration doesn’t work in preview. To test the integration, make sure to deploy. You should also make sure to be in test mode in Stripe when trying out the functionality. When testing payment, card number: 4242 4242 4242 4242, any 3 digits as CVC and any future date will work as a card.

For a quick and easy checkout experience, use Stripe Payment Links. Stripe Payment Links are no-code solutions to implement a fully functional checkout flow easily. They can be customized to fit your brand and website directly in Stripe.

1

Step 1

Create a Stripe account (if you haven’t already).

2

Step 2

Access your Stripe Dashboard. In the top right-hand corner, there is a toggle labeled Test Mode. It is inactive by default, meaning you are in Live Mode, which enables real payments. Test Mode allows you to test the checkout flow without real payment methods. For this tutorial, ensure Test Mode is toggled OFF.

3

Step 3

Create a Payment Link under Payment Links > Create a Payment Link.

4

Step 4

If you don’t already have a product, add one or select a previously created product. You can customize the checkout experience by adjusting branding, information collected, and confirmation pages. Refer to the Stripe documentation for details on customization.

5

Step 5

Copy the Payment Link and bring it over to Lovable.

6

Step 6

Use the following prompt in Lovable to integrate the link:

Help me add Stripe payments to my app using this payment link: [your payment link]

This method connects the payment URL directly to your frontend, making integration simple and fast.

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Advanced Integration: Webhooks & Supabase

For complex payment structures such as subscriptions and role-based access, Lovable recommends using Supabase to securely handle Stripe integration. This allows for proper webhook handling, subscription management, and role-based access control based on payment tiers.

The Edge Function that handles the necessary changes to the user account should be set up automatically by the AI.

1

Connect Supabase to Your Project

Getting started is simple. Lovable makes connecting Supabase effortless with a built-in native integration:

  1. Click the Supabase button in the top right corner of Lovable.
  2. Follow the instructions to link your project.
  3. Once connected, Supabase enables secure payment processing, subscription management, webhook handling, customer data storage, and error handling.
2

Secure Payment Processing

Initiate the process by prompting Lovable:

Let’s connect Stripe to my project. We will begin with secure payment processing.

Lovable will generate the necessary SQL schema for handling payments. This includes database tables for users, subscriptions, and payments. You can review and customize these tables to fit your specific product needs before applying changes.

3

Implement Edge Functions for Webhooks

Edge Functions in Supabase act as small, high-performance serverless functions that run close to the user, ensuring fast responses. They help process webhook events, such as payment confirmations, before updating the database.

1

Step 1

Retrieve the Endpoint URL from the Edge Function in Supabase.

2

Step 2

Go to Stripe Dashboard > Developers > Webhooks > Create an Event Destination.

3

Step 3

Select Webhook Events that align with your project needs:

  • payment_intent.succeeded
  • payment_intent.payment_failed
  • customer.subscription.created
  • customer.subscription.updated
  • customer.subscription.deleted
4

Step 4

Enter the Endpoint URL from Supabase.

5

Step 5

Copy the Webhook Secret and store it securely in Supabase → Edge Functions → Manage Secrets → Add New Secret.

If unsure about naming the secret, ask Lovable in chat mode for guidance.

4

Securely Add API Keys

To integrate Stripe securely, avoid sharing your API key directly in chat. Instead:

1

Step 1

Go to Stripe Dashboard > Developers > API Keys.

2

Step 2

Copy the Secret Key (DO NOT paste it directly in Lovable chat).

3

Step 3

Use the Lovable “Add API Key” feature to securely store it.

Important Security Warning

Never paste your Secret Key directly in Lovable chat. Treat it like the keys to your house—exposing it could allow unauthorized access to your Stripe account. Instead, store it securely using Lovable’s API key feature.

5

Testing Your Integration

  • Use Stripe’s Test Mode to safely test payments.
  • Test card details:
    • Card Number: 4242 4242 4242 4242
    • Any future expiration date
    • Any 3-digit CVC
  • Deploy your app—Stripe integration does not work in preview mode.

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Debugging & Troubleshooting

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