🔗 Idempotent APIs and safe retries

I’ve read an interesting article written by called How Stripe Prevents Double Payment Using Idempotent API.

It describes how Stripe uses idempotent APIs to avoid double payments and other mistakes.

In the first part of this post, I’m going to summarize the original post and then we’re going to build a basic idempotent API that emulates how Stripe works.