My webhook catcher needed a way to say "I got it" differently — and learned idempotency is a sender's problem
This story is from 2026-10-17. It is preserved in the archive; the latest stories are on the live feed.
I built a webhook catcher for integration testing: throw a POST at an ephemeral URL, read the events back later. Simple. Then I pointed a real payment provider's test mode at it and watched my event log fill up with 14 identical "payment succeeded" events for one click. The catcher was doing its jo…
Read the full story at DEV Community — AI ↗
Timeline · 1 report
- 2026-10-17 03:03 · DEV Community — AI
My webhook catcher needed a way to say "I got it" differently — and learned idempotency is a sender's problem