Cloudflare R2 · Rate Limits

Cloudflare R2 Rate Limits

Name: Cloudflare R2 Rate Limits
Creator: Cloudflare R2
Keywords: Object Storage, Cloud Storage, S3-Compatible, Egress-Free, Buckets, Developer Platform, Cloudflare

Rate limits and operational constraints for the Cloudflare R2 object storage APIs, including the S3-compatible API and the Cloudflare REST API.

Cloudflare R2 Rate Limits is the machine-readable rate-limit profile for Cloudflare R2 on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions.

Tagged areas include Object Storage, Cloud Storage, S3-Compatible, Egress-Free, and Buckets.

5 Limits

Object StorageCloud StorageS3-CompatibleEgress-FreeBucketsDeveloper PlatformCloudflare

Limits

Cloudflare REST API Rate Limit account

1200

1,200 requests per 5-minute window; exceeding returns HTTP 429

Bucket Management Operations account

Concurrent Object Writes object

Exceeding returns HTTP 429 Too Many Requests

r2.dev Public Endpoint Rate Limit bucket

variable

Handles hundreds of requests per second; exceeding triggers HTTP 429. For production use, Cloudflare recommends custom domains, S3-compatible API, or Workers bindings.

S3-Compatible API account

No documented per-second limit for the S3-compatible API at https://.r2.cloudflarestorage.com; higher throughput available via custom domains