---
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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> 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 Apr 21, 2026|Copy as Markdown|[View as Markdown](https://developers.cloudflare.com/r2/api/s3/index.md)|[Agent setup](https://developers.cloudflare.com/agent-setup/)
* [S3 API compatibility](https://developers.cloudflare.com/r2/api/s3/api/)
* [Extensions](https://developers.cloudflare.com/r2/api/s3/extensions/)
* [Presigned URLs](https://developers.cloudflare.com/r2/api/s3/presigned-urls/)
* [Temporary credentials](https://developers.cloudflare.com/r2/api/s3/temporary-credentials/)
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## On this page
[Docs](https://developers.cloudflare.com/)
```json
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```