Cloud Storage APIs

Cloud storage and file sharing

18 APIs in this category
18
APIs listed
5
need no API key (28%)
3
CORS enabled (17%)
18
HTTPS (100%)

This directory lists 18 cloud storage APIs. 1 of them require no API key and support CORS, so you can call them directly from browser JavaScript with no backend and no sign-up. Every entry shows whether it needs authentication, serves over HTTPS and allows cross-origin requests, so you can pick one that fits your stack before you read a single doc page.

Showing 18 of 18 APIs

AnonFiles

Upload and share files anonymously and securely

Auth: No HTTPS CORS: Unknown

BayFiles

Simple file upload and sharing service

Auth: No HTTPS CORS: Unknown

Box

Enterprise-grade file sharing and cloud storage platform

Auth: OAuth HTTPS CORS: Unknown

ddownload

File sharing and hosting API for programmatic uploads and downloads

Auth: apiKey HTTPS CORS: Unknown

Dropbox

Cloud storage and collaboration platform for individuals and teams

Auth: OAuth HTTPS CORS: Unknown

File.io

Simple, secure, and anonymous file sharing with automatic deletion

Auth: No HTTPS CORS: Unknown

GoFile

Free file storage API with unlimited upload size and sharing links

Auth: apiKey HTTPS CORS: Unknown

Google Drive

File storage and synchronization service by Google with full API access

Auth: OAuth HTTPS CORS: Unknown

Gyazo

Capture and share screenshots, GIFs, and videos instantly

Auth: apiKey HTTPS CORS: Unknown

Imgbb

Private image hosting and sharing platform with easy uploads via API

Auth: apiKey HTTPS CORS: Unknown

OneDrive

Microsoft’s cloud file sharing and storage API

Auth: OAuth HTTPS CORS: Unknown

Pantry

Free cloud JSON storage for small projects and APIs

Auth: No HTTPS CORS: Yes

Pastebin

Text and code storage API for pasting and sharing snippets online

Auth: apiKey HTTPS CORS: Unknown

Pinata

IPFS pinning and file management service for decentralized apps

Auth: apiKey HTTPS CORS: Unknown

Quip

Cloud-based document collaboration and file sharing for teams

Auth: apiKey HTTPS CORS: Yes

Storj

Decentralized open-source cloud storage network for developers

Auth: apiKey HTTPS CORS: Unknown

The Null Pointer

Fast and minimal file hosting and URL shortening service

Auth: No HTTPS CORS: Unknown

Web3 Storage

Decentralized file storage with IPFS and Filecoin, offering 1TB free space

Auth: apiKey HTTPS CORS: Yes

Best Cloud Storage APIs for Developers

A cloud storage API allows developers to upload, download, share, and manage files on remote storage platforms without managing server infrastructure. These APIs are the foundation of file-sharing features, backup systems, and document collaboration tools.

CodeHelper's curated cloud storage API collection includes APIs covering file hosting, document sharing, backup services, and CDN-backed asset delivery.

What to look for in a cloud storage API

  • Storage limits: Free tiers vary widely; compare storage quotas and transfer limits before committing to an API.
  • Resumable uploads: For large file transfers, ensure the API supports resumable uploads to handle network interruptions gracefully.
  • Access control: Fine-grained permission models let you share files with specific users or make them publicly accessible.

How to use this API directory

  1. Browse the curated list of APIs below.
  2. Click any API to visit its documentation.
  3. Check the Auth column to understand what credentials you need.

Whether you are building a document collaboration tool or a backup service, this free curated API directory saves you hours of research.

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