---
description: Use the S3-compatible API to interact with R2 storage buckets and objects.
title: S3
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/r2/llms.txt  
> Use this file to discover all available pages before exploring further.

# S3

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://mchen-ai-models-sync.previews.developers.cloudflare.com/r2/api/s3/index.md)|[Agent setup](https://mchen-ai-models-sync.previews.developers.cloudflare.com/agent-setup/)

* [S3 API compatibility](https://mchen-ai-models-sync.previews.developers.cloudflare.com/r2/api/s3/api/)
* [Extensions](https://mchen-ai-models-sync.previews.developers.cloudflare.com/r2/api/s3/extensions/)
* [Presigned URLs](https://mchen-ai-models-sync.previews.developers.cloudflare.com/r2/api/s3/presigned-urls/)
* [Temporary credentials](https://mchen-ai-models-sync.previews.developers.cloudflare.com/r2/api/s3/temporary-credentials/)

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## On this page

[![](https://mchen-ai-models-sync.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://mchen-ai-models-sync.previews.developers.cloudflare.com/)

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