File.io API alternatives

Super simple file sharing, convenient, anonymous and secure. If it doesn't fit your project, here are the 10 best free Cloud Storage & File Sharing APIs to use instead in 2026, out of 18 in the directory.

For reference, File.io API: No API key needed · HTTPS.

1P
Pantry API
Online · 870 ms
Free JSON storage for small projects.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
FileUp API
Online · 745 ms
Temporary file hosting with upload API, expiration times, and view limits.
- No API key needed
- HTTPS
No authHTTPSCORS ?
3T
The Null Pointer API
Online · 677 ms
No-bullshit file hosting and URL shortening service.
- No API key needed
- HTTPS
No authHTTPSCORS ?
4
ddownload API
Online · 759 ms
ddownload.com - Fast and Free File Hosting.
- HTTPS
apiKeyHTTPSCORS ?
5
Filestack API
Online · 411 ms
Filestack File Uploader & File Upload API.
- HTTPS
apiKeyHTTPSCORS ?
6
GoFile API
Online · 476 ms
Unlimited size file uploads for free.
- HTTPS
apiKeyHTTPSCORS ?
7
Gyazo API
Online · 497 ms
Save & Share screen captures instantly.
- HTTPS
apiKeyHTTPSCORS ?
8
Imgbb API
Online · 469 ms
Simple and quick private image sharing.
- HTTPS
apiKeyHTTPSCORS ?
9
Pastebin API
Online · 641 ms
Pastebin.com is the number one paste tool since 2002.
- HTTPS
apiKeyHTTPSCORS ?
10
Pinata API
Online · 797 ms
Start uploading and retrieving content in no time.
- HTTPS
apiKeyHTTPSCORS ?

File.io API vs alternatives

File.io API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
File.io	No	Yes	Unknown	Up	855 ms	Not rated
Pantry	No	Yes	Yes	Up	870 ms	Not rated
FileUp	No	Yes	Unknown	Up	745 ms	Not rated
The Null Pointer	No	Yes	Unknown	Up	677 ms	Not rated
ddownload	Required	Yes	Unknown	Up	759 ms	Not rated
Filestack	Required	Yes	Unknown	Up	411 ms	Not rated
GoFile	Required	Yes	Unknown	Up	476 ms	Not rated
Gyazo	Required	Yes	Unknown	Up	497 ms	Not rated
Imgbb	Required	Yes	Unknown	Up	469 ms	Not rated

Head-to-head comparisons

File.io API alternatives FAQ

What is the best free alternative to the File.io API in 2026?

The top-ranked free alternatives to the File.io API are Pantry API, FileUp API and The Null Pointer API, all in the Cloud Storage & File Sharing category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a File.io API alternative I can call from the browser?

Pantry API, Quip API and Web3 Storage API support CORS, so front-end JavaScript can call them directly.

How many Cloud Storage & File Sharing APIs are similar to the File.io API?

The directory lists 18 other free Cloud Storage & File Sharing APIs. This page compares the top ones side by side.