How to Choose the Best Cloud Storage & File Sharing API in 2026
There are 19 Cloud Storage & File Sharing APIs in our directory. Of these, 2 require no authentication, making them ideal for quick prototyping. 2 are rated beginner-friendly.
Scores last tested: 2026-04-05
Quick Comparison: Top 10 Cloud Storage & File Sharing APIs
Ranked by API Score. Measured means we called a real endpoint of that API; Est. means the score is derived from metadata because the endpoint could not be called without credentials. Discontinued APIs are excluded.
| Name | API Score | Auth | HTTPS | CORS | Difficulty |
|---|---|---|---|---|---|
| File.io | 87 A Est. | No Auth | ✓ | ? | Beginner |
| Pinata | 87 A Est. | API Key | ✓ | ? | Intermediate |
| GoFile | 82 A Est. | API Key | ✓ | ? | Intermediate |
| Gyazo | 82 A Est. | API Key | ✓ | ? | Intermediate |
| Pantry | 82 A Est. | No Auth | ✓ | ✓ | Beginner |
| Web3 Storage | 82 A Est. | API Key | ✓ | ✓ | Intermediate |
| Box | 78 B Est. | OAuth | ✓ | ? | Advanced |
| ddownload | 77 B Est. | API Key | ✓ | ? | Intermediate |
| Pastebin | 77 B Est. | API Key | ✓ | ? | Intermediate |
| Quip | 77 B Est. | API Key | ✓ | ✓ | Intermediate |
Free Cloud Storage & File Sharing APIs (No Auth)
These APIs require no API key or signup. Start using them immediately.
File.io
⭐ Beginner's PickFile.io is an ephemeral file sharing API that returns a one-time download link after upload — once the file is downloaded, it is automatically deleted from the server.
Pantry
⭐ Beginner's PickPantry is a free, no-signup JSON storage API designed for small projects and prototypes that need simple key-value persistence without a database.
Try It in 5 Minutes: File.io
Quick implementation example using File.io.
Using curl
curl -F "file=@/path/to/your/file.txt" "https://file.io/?expires=1d"
JavaScript
const url = "https://file.io/?expires=1d";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); New to APIs? Read our Getting Started Guide →
Frequently Asked Questions
How many Cloud Storage & File Sharing APIs are available?
There are 19 Cloud Storage & File Sharing APIs in our directory as of 2026.
Are there free Cloud Storage & File Sharing APIs?
Yes, 2 Cloud Storage & File Sharing APIs require no authentication and are completely free to use.
What is the easiest Cloud Storage & File Sharing API to use?
File.io is one of the easiest to get started with. It is rated as beginner-level and requires no authentication.
Do I need an API key for Cloud Storage & File Sharing APIs?
It depends. 2 APIs need no authentication, 10 require an API key, and 4 use OAuth.