Easily Add Secure, Fast File Uploads to Your App with Our API

Looking to embed reliable file uploads into your app or website? Our free file sharing API lets you upload files up to 25GB, no account needed, with global delivery and customizable expiry. Empower your users with secure, fast, and flexible file transfers in minutes.

Upload Files Now

Why storage.to?

Effortless Large File Uploads

Upload files up to 25GB per transfer directly from your app with a simple, documented API. No account or signup is required for your users.

Global CDN Delivery

Files are served instantly across 300+ edge locations worldwide, ensuring fast and reliable access anywhere. No speed throttling—ever.

Secure Transfers & Privacy

Offer optional password protection and HTTPS for every upload. Files auto-expire after 3 days (or set between 1–7 days) to keep data secure.

Free & Hassle-Free Integration

Our API is completely free, with no ads or hidden costs. Developers get full access to integration resources with simple multipart upload support.

How It Works

1

Get API Documentation

Access our detailed API docs to review endpoints, authentication (none required), and supported parameters for your integration.

2

Implement File Uploads

Use the /api/upload/init endpoint and multipart uploads to handle files up to 25GB directly from your app, web, or CLI.

3

Customize Expiry & Security

Set your preferred file expiry (1–7 days) and enable optional password protection for secure, flexible sharing.

Perfect For

📲

Mobile App File Transfers

Let users send large files directly from your mobile app without extra accounts.

💻

Web Application Uploads

Integrate seamless file sharing into web platforms for quick document or media transfer.

🎬

Media & Creative Collaboration

Enable sharing of high-resolution videos and graphics between teams and clients.

🧑‍💻

Developer Tools & CLI Integration

Automate file uploads in scripts or command-line tools with our straightforward API.

🔒

Secure Client Deliverables

Send password-protected files and control download expiry for sensitive content.

🚀

Rapid Prototyping & Demos

Quickly add file upload features to your MVP or demo projects without backend complexity.

Frequently Asked Questions

What is the maximum file size I can upload via the API?

You can upload files up to 25GB each using the API, free of charge.

Do I need to create an account or get an API key?

No account, signup, or API key is required—just start integrating right away.

How long are uploaded files available?

Files are available for 3 days by default, but you can set expiry from 1 to 7 days per upload.

Can I password-protect files uploaded via the API?

Yes, you can enable optional password protection for any upload through the API.

Is there any speed or bandwidth limit for uploads or downloads?

No, there’s no speed throttling—uploads and downloads run at your full connection speed.

Start Integrating Free File Uploads Today

Access our API documentation and add seamless, secure file uploads to your app or service in minutes. No signup required—get started now!

Start Uploading

Related guides

Also available in:

AR DE ES FR IT JA KO NL PL PT RU TR ZH