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Cloudflare R2

Overview

Overview
Workers API
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Cloudflare R2

How R2 works

Overview
Super Slurper
Sippy
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Overview
Create new buckets
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Delete buckets
Bucket locks
Event notifications
Object lifecycles
Storage classes

Overview
Upload objects
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Overview
Authentication
Error codes

Use R2 from Workers
Use the R2 multipart API from Workers
Workers API reference

S3 API compatibility
Extensions
Presigned URLs
Temporary credentials

Overview
Multi-cloud setup(opens in a new tab)
Authenticate against R2 API using auth tokens
Authenticate against R2 with temporary credentials
Rclone
Terraform
Terraform (AWS)
Use SSE-C
Use the Cache API

aws CLI
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aws-sdk-java
aws-sdk-js
aws-sdk-js-v3
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aws-sdk-rust
aws4fetch
boto3
Configure custom headers
s3mini

Cloudflare R2

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Choose a storage product(opens in a new tab)
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Consistency model
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Durability
Unicode interoperability
Wrangler commands

Cloudflare R2

Pricing
Basin Catalog(opens in a new tab)
Basin SQL(opens in a new tab)

S3

S3 API compatibility
Extensions
Presigned URLs
Temporary credentials

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Translation © 2026 fanyi.dev · Original © 2026 Cloudflare, Inc. (CC BY 4.0)

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