# Cloudflare R2

**Canonical:** https://apis.io/providers/cloudflare-r2/  
**Website:** https://www.cloudflare.com/developer-platform/products/r2/  
**APIs profiled:** 14

Cloudflare R2 is S3-compatible object storage with zero egress fees. It provides both an S3-compatible REST API and a Cloudflare API for managing buckets, objects, and storage policies at global scale. R2 offers a generous free tier including 10 GB storage, 1 million Class A operations, and 10 million Class B operations per month with no data transfer fees.

## Kin Score — 46.0 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 46.0).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 65.0 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 52.6 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 38.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (14)

- **Cloudflare R2 Buckets API** — The Buckets API from Cloudflare R2 — 2 operation(s) for buckets.
- **Cloudflare R2 CORS API** — The CORS API from Cloudflare R2 — 1 operation(s) for cors.
- **Cloudflare R2 Credential Management API** — The Credential Management API from Cloudflare R2 — 1 operation(s) for credential management.
- **Cloudflare R2 Lifecycle API** — The Lifecycle API from Cloudflare R2 — 1 operation(s) for lifecycle.
- **Cloudflare R2 Maintenance Configuration API** — The Maintenance Configuration API from Cloudflare R2 — 1 operation(s) for maintenance configuration.
- **Cloudflare R2 Multipart Upload API** — The Multipart Upload API from Cloudflare R2 — 4 operation(s) for multipart upload.
- **Cloudflare R2 Namespace Management API** — The Namespace Management API from Cloudflare R2 — 1 operation(s) for namespace management.
- **Cloudflare R2 Objects API** — The Objects API from Cloudflare R2 — 3 operation(s) for objects.
- **Cloudflare R2 R2 Account API** — The R2 Account API from Cloudflare R2 — 1 operation(s) for r2 account.
- **Cloudflare R2 R2 Bucket API** — The R2 Bucket API from Cloudflare R2 — 13 operation(s) for r2 bucket.
- **Cloudflare R2 R2 Catalog Management API** — The R2 Catalog Management API from Cloudflare R2 — 4 operation(s) for r2 catalog management.
- **Cloudflare R2 R2 Object API** — The R2 Object API from Cloudflare R2 — 2 operation(s) for r2 object.
- **Cloudflare R2 Table Maintenance Configuration API** — The Table Maintenance Configuration API from Cloudflare R2 — 1 operation(s) for table maintenance configuration.
- **Cloudflare R2 Table Management API** — The Table Management API from Cloudflare R2 — 1 operation(s) for table management.

## Agentic access (1)

- **Cloudflare R2 Agentic Access** — 67 operations · 37 acting · 2 human-in-the-loop

## Security (3)

- **Cloudflare R2 Authentication** — apiKey/http · 5 schemes
- **Cloudflare R2 Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Cloudflare R2 Vulnerability Disclosure** — Hackerone · security.txt · contact published

## Plans (1)

- **Cloudflare R2 Plans Pricing**

## Tags

Object Storage, Cloud Storage, S3 Compatible, Egress-Free, Buckets, Developer Platform, Cloudflare

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/cloudflare-r2/). Scores are computed from the provider's own public artifacts under a published rubric.