---
title: "Discussion on \"Notes on S3 Presigned URL Expiration\" | Hashnode"
description: "Discussion on \"Notes on S3 Presigned URL Expiration\". Understanding the dual expiration system of S3 Presigned URLs: URL expiration vs credential expiration"
url: "https://hashnode.com/posts/notes-on-s3-presigned-url-expiration/68bd8901c4ee59d0738bd20b"
---

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# [Notes on S3 Presigned URL Expiration](https://zhizhiarv.hashnode.dev/notes-on-s3-presigned-url-expiration?utm_source=hashnode&utm_medium=feed)

Understanding the dual expiration system of S3 Presigned URLs: URL expiration vs credential expiration

Sep 7, 2025 · 3 min read · zhizhiarv.hashnode.dev  
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## Written by

[Xinzhi Sherry Zhu](https://hashnode.com/@zhizhiarv)

@zhizhiarv · Tokyo, Japan

  
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