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File Upload API
Scalable REST API to handle file uploads from your app: manages file storage, file hosting & file transformations.
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Upload files using a simple,
scalable, low-latency API.
The Upload API provides high-performance file uploading, file processing & file hosting functionality through a simple & easy-to-integrate REST API.
POST /v1/files/basic
curl --data-binary @sample-image.jpg \
-H "Content-Type: image/jpeg" \
-H "Authorization: Bearer YOUR_PUBLIC_API_KEY" \
-X POST "https://api.upload.io/v1/files/basic"
-H "Content-Type: image/jpeg" \
-H "Authorization: Bearer YOUR_PUBLIC_API_KEY" \
-X POST "https://api.upload.io/v1/files/basic"
Response
{
"accountId": "W142hJk",
"fileId": "W142hJkKd759aLFxttm69kZ",
"fileUniquifier": "Kd759aLFxttm69kZ",
"fileUrl": "https://upcdn.io/W142h..."
}
"accountId": "W142hJk",
"fileId": "W142hJkKd759aLFxttm69kZ",
"fileUniquifier": "Kd759aLFxttm69kZ",
"fileUrl": "https://upcdn.io/W142h..."
}
- Upload files via a simple POST request.
- Transform, convert & optimize files via the URL.
- Download files via a global CDN (300+ nodes).
Run file transformations.
Run transformations against your files in real-time, simply by appending "file transformation slugs" to the end of your file URLs.
https://files.upload.io/File IDW142...69kZ/Transformation Slugpng;w=1024;h=768
- Files transformed & returned on-demand.
- Images typically processed in under a second.
- Resize images, extract zips... even run your own code!
Globally distributed CDN.
Out the box.
The Upload API uses a global network of 300+ edge locations in 90+ cities across 47 countries to provide ultra-low-latency downloads to your users.
- Over 300 edge locations.
- Presence in 90+ cities across 47 countries.
- DDoS protection built-in.
Everything you need to handle
file uploads in your application
Core Features
File Storage
Benefit from fast cloud storage with ultra-low-latency upload API endpoints and encryption at rest.
File Processing
Process files via the URL, for example, to resize images or to extract file archives on-demand.
File Delivery
Files are served via Upload's 300-point CDN for ultra-low-latency downloads.
Authenticated URLs
Upload supports CDN access control via JWTs, allowing you to control access to your images.
Monitoring
Monitor your storage, processing & bandwidth usage over time via the Upload Dashboard.
CDN / Proxy Support
Configure existing HTTP servers as file sources to process your existing files on-the-fly.
Pro Features
Accelerated Uploads
Upload offers a Content Ingestion Network (CIN) to automatically boost file upload speeds.
Custom CNAME
Improve your company's branding by using a custom CNAME for your uploaded file URLs.
Custom S3 Buckets
Use a custom S3 bucket for ultimate cloud portability, or to onboard your existing files.
Learn More
Upload API docs
Learn about our file upload REST API. S3 buckets supported.
Get Started
Ready to start uploading files?
Get StartedUpload, store, and host your first file in as little as 60 seconds.