ChurnRecovery + Chargebee

npm install @churnrecovery/chargebee

import ChurnRecovery from '@churnrecovery/chargebee'

const cr = new ChurnRecovery({
  apiKey: process.env.CHURNRECOVERY_API_KEY,
  chargebee: {
    site: process.env.CHARGEBEE_SITE,
    apiKey: process.env.CHARGEBEE_API_KEY,
  }
})

// pages/api/chargebee-webhook.js
export default async function handler(req, res) {
  const event = req.body
  
  if (event.event_type === 'subscription_cancellation_scheduled') {
    await cr.handleCancellation({
      subscriptionId: event.content.subscription.id,
      customerId: event.content.customer.id,
    })
  }
  
  if (event.event_type === 'payment_failed') {
    await cr.handleFailedPayment({
      subscriptionId: event.content.subscription.id,
    })
  }
  
  res.json({ received: true })
}