Stripe Checkout - How to handle user id with webhooks

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I am currently adding the Stripe checkout to my application. My goal is really to have at least as code as possible.

The documentation says I need to handle at least three different webhook types:

  • checkout.session.completed
  • invoice.paid
  • invoice.payment_failed

I try to avoid handling any customers in Stripe and I think it is not necessary with the checkout component.

However, I still need the user id in the webhooks to update the states accordingly.

When creating the session on the backend I'll add the field client_reference_id.

For the state checkout.session.completed I get this field and everything is fine.

For invoice.paid I don't get it and I need to use subscription_data.metadata in the session to get this data.

For invoice.payment_failed I don't know how to get it or how to test it with the CLI because I can't add metadata and I cannot add the client_reference_id.

Do you have an idea what the best practice here is and how I should implement that? Or should I really handle a customer in Stripe as well?

Thanks!

stripe-payments
1 Answers

There's a couple different ways you can handle this -

  • If also set client_reference_id in subscription_data.metadata, you can still get it from the invoice.paid and invoice.payment_failed events by retrieving the Subscription found at subscription on the Invoice (see api ref).
  • You could change your database to store the relationship between a Stripe Customer and a client_reference_id. When you get an invoice.paid or invoice.payment_failed event you would grab the Customer ID and the information in your database would allow you to tie it back to the correct client_reference_id.
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