---
title: "Discussion on \"At-Least-Once vs. Exactly-Once - Understanding Message Delivery Guarantees\" | Hashnode"
description: "Discussion on \"At-Least-Once vs. Exactly-Once - Understanding Message Delivery Guarantees\". At-Least-Once vs. Exactly-Once: Understanding Message Delivery Guarantees\nIn distributed systems, when performing critical operations such as webhook delivery, job processing, or payment recording, a fundamental question arises:\n\nHow many times can t..."
url: "https://hashnode.com/posts/at-least-once-vs-exactly-once-understanding-message-delivery-guarantees/687502f1e236ea12eda40e35"
---

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# [At-Least-Once vs. Exactly-Once - Understanding Message Delivery Guarantees](https://letanure.hashnode.dev/at-least-once-vs-exactly-once-understanding-message-delivery-guarantees?utm_source=hashnode&utm_medium=feed)

At-Least-Once vs. Exactly-Once: Understanding Message Delivery Guarantees In distributed systems, when performing critical operations such as webhook delivery, job processing, or payment recording, a fundamental question arises: How many times can t...

Jul 14, 2025 · 3 min read · letanure.hashnode.dev  
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## Written by

[Luiz Tanure](https://hashnode.com/@letanure)

@letanure · Berlin, Germany

  
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Web developer, I like to create things and solve problems

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