1.md

Make sure you don't miss this very important webhook or else your customers will remain on paid plans that they no longer pay for.

2.coffee

# Delete subscriptions when they are deleted by Stripe
when stripe events customer_subscription_deleted as subscription
    customer = stripe retrieve_customer id:subscription["customer"]
    psql update table:"users" values:{"subscribed": false} where:{"email": customer["email"]}
    mailgun send to:customer["email"]
                 from:"hello@example.com"
                 subject:"Subscription Cancelled"
                 text:"Your subscription has been cancelled due to a failed payment."