Better Billing

import { betterBilling } from 'better-billing';
import drizzleAdapter from '@better-billing/db/adapters/drizzle';
import { corePlugin } from 'better-billing/plugins/core';
import { stripePlugin } from 'better-billing/plugins/stripe';
import Stripe from 'stripe';

const stripe = new Stripe('sk_test_...');

const billing = betterBilling({
  serverUrl: 'http://localhost:3000',
  adapter: drizzleAdapter(db, { provider: 'pg', schema: {} }),
  plugins: [
    corePlugin({
      subscriptionPlans: [
        { planName: 'Free' },
        { planName: 'Pro', trialDays: 7 },
      ],
    }),
    stripePlugin({
      stripe,
      subscriptionPlans: {
        monthly: [
          { planName: 'Free', items: [{ price: 'price_free_monthly' }] },
          { planName: 'Pro', items: [{ price: 'price_pro_monthly' }] },
        ],
      },
      postSuccessUrl: 'https://app.com/success',
      postCancelUrl: 'https://app.com/cancel',
      webhookEndpointSecret: process.env.STRIPE_WEBHOOK_SECRET,
    }),
  ] as const,
});

// Start a subscription checkout
const session = await billing.providers.stripe.startSubscriptionCheckout({
  billableId: 'user_123',
  billableType: 'user',
  planName: 'Pro',
  cadence: 'monthly',
  email: 'customer@example.com',
});