---
title: "Discussion on \"A Design Review for Completion Events in Kafka-Backed APIs\" | Hashnode"
description: "Discussion on \"A Design Review for Completion Events in Kafka-Backed APIs\". Review Kafka completion signals, correlation IDs, observer isolation and late outcomes before testing API performance. Includes a practical checklist."
url: "https://hashnode.com/posts/a-design-review-for-completion-events-in-kafka-backed-apis/6ac02225a4375f72e10981ea"
---

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# [A Design Review for Completion Events in Kafka-Backed APIs](https://loadstrike-engineering.hashnode.dev/a-design-review-for-completion-events-in-kafka-backed-apis?utm_source=hashnode&utm_medium=feed)

Review Kafka completion signals, correlation IDs, observer isolation and late outcomes before testing API performance. Includes a practical checklist.

Oct 2 · 5 min read · loadstrike-engineering.hashnode.dev  
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-   [#kafka](https://hashnode.com/tag/kafka)
-   [#performance-testing](https://hashnode.com/tag/performance-testing)

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Performance testing for APIs and event-driven systems. Official LoadStrike publication.

Official LoadStrike engineering publication. We write practical guides to API and event-driven performance testing, with documented methods, primary sources and clearly labeled examples. Documentation: https://loadstrike.com/docs/

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