R2 Object Storage

Developer Platform

R2Object Storage

Last Updated: April 2025

Overview

Cloudflare R2 is a low-cost, high-performance object storage solution that helps you store and serve any type of data. The two main ways of interacting with R2 are via the S3 API or Workers API , benefiting from zero egress fees and making it easy to integrate with existing applications and workflows.

Some relevant features:

Easy data migration
Object lifecycles
Public buckets (private by default, configurable with Access control )
Presigned URLs
Jurisdictional Restrictions
Metrics & Analytics
Audit Logs

Visit R2 Demos File Sharing Platform Demo

SECRET File ID: 89f129f5-c2d9-4579-bdde-61e5fc75e75c

R2 Public Custom Domain

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/cdn-cgi/image/width=250/cat-pic.jpg with Image Transformation.

R2 Public Custom Domain for Web Assets Hosting

Similarly to AWS S3, R2 can also host static web assets and with a custom domain expose that website publicly: example .

However, it is strongly recommended to use Cloudflare Workers or Pages to host and deploy websites or applications on Cloudflare instead.

R2 Metrics