# Cloudflare R2

Cloud Storage

Zero egress fee cloud storage (S3-compatible)

Cloudflare R2 is an S3-compatible object storage service that charges zero egress bandwidth fees. Perfect for serving media and assets.

### Details

**Auth Type**  
AWS Signature Version 4 (Access Key + Secret)  
**Rate Limit**  
1000 req/s  
**Pricing**  
$0.015/GB storage; Zero egress fees

### AWS Signature Version 4 (Access Key + Secret)

1. Go to Cloudflare dashboard > R2  
2. Select Manage R2 API Tokens  
3. Create a token and copy Access + Secret keys

## Getting Started

### Try It Instantly

Click "Try It" above to test the API in the playground

### Add to Your Agent

Click "Add to Agent" to get your API key and integrate

## Common Use Cases

- Media hosting  
- Data lakes  
- Zero-egress file delivery  
- E-commerce assets  
- Log storage

## 💻 Code Examples

Get started quickly with these code examples in your favorite language

```bash
curl -X GET \
  'https://www.callio.dev/api/proxy/cloudflare-r2/forward?target=https%3A%2F%2F%3Caccount_id%3E.r2.cloudflarestorage.com%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'
```

💡 **Tip:** Replace `YOUR_CALLIO_KEY` with your actual Callio API key from the [dashboard](/content/keys/index.html).

## Ready to integrate Cloudflare R2?

Test endpoints live or generate your API key and start building in minutes.