Switch to Lemon Squeezy

Lemon Squeezy is an all-in-one platform for running your SaaS business. It handles payments, subscriptions, global tax compliance, fraud prevention, multi-currency, and more. Here's how to switch the default payment processor from Stripe to Lemon Squeezy.

1. Swap out the required dependencies

First, uninstall the existing dependencies from the Payments package...

pnpm remove stripe --filter @repo/payments

... and install the new dependencies...

pnpm add @lemonsqueezy/lemonsqueezy.js --filter @repo/payments

2. Update the environment variables

Next, update the environment variables across the project, for example:

NEXT_PUBLIC_LEMON_SQUEEZY_API_KEY=""

Additionally, replace all instances of STRIPE_SECRET_KEY with LEMON_SQUEEZY_API_KEY in the packages/env/index.ts file.

3. Update the payments client

Initialize the payments client in the packages/payments/index.ts file with the new API key. Then, export the lemonSqueezySetup function from the file.

import { env } from '@repo/env';
import { lemonSqueezySetup } from '@lemonsqueezy/lemonsqueezy.js';

lemonSqueezySetup({
  apiKey,
  onError: (error) => console.error("Error!", error),
});

export * from '@lemonsqueezy/lemonsqueezy.js';

4. Update the payments webhook handler

Update the webhook handler for Lemon Squeezy:

import { NextResponse } from 'next/server';

export const POST = async (request: Request) => {
  return NextResponse.json({ message: 'Hello World' });
};

There's quite a lot you can do with Lemon Squeezy, so check out the following resources for more information:

• Webhooks Overview
• Signing Requests

5. Use Lemon Squeezy in your app

Finally, use the new payments client in your app.

import { getStore } from '@repo/payments';

const Page = async () => {
  const store = await getStore(123456);

  return (
    <pre>{JSON.stringify(store, null, 2)}</pre>
  );
};