Filestack

API

Cloud file upload API & management platform for developers

Overview

Filestack provides RESTful endpoints for uploading files from local devices, URLs, or cloud sources (Dropbox, Google Drive), transforming media (resize, crop, OCR, convert), delivering via global CDN, and managing assets. Responses are JSON-formatted. Use cases include integrating secure file uploads into web/mobile apps, automating media processing for e-commerce product images, streamlining document uploads in SaaS platforms, and optimizing content delivery with low-latency CDN support.

Example Integration (JavaScript)

script.js JS


fetch('https://www.filestack.com')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON responses
Multi-source uploads
Media transformation tools
Global CDN delivery
No-code upload widget
Token-based authentication

Frequently Asked Questions

? Is Filestack free to use?

Yes, Filestack offers a free tier with limited uploads and features; paid plans are available for higher usage and advanced capabilities.

? Does Filestack require an API key?

Yes, you need an API key to authenticate requests to Filestack's API endpoints.

? What is the response format for Filestack API calls?

Most Filestack API responses are in JSON format, providing details like file URLs, metadata, and operation statuses.

Top Alternatives

Uploadcare Search Google

Cloudinary Search Google

AWS S3 (custom upload logic) Search Google

Tool Info

Pricing Freemium

Category Cloud Storage & File Sharing

Platform Public API

Pros

⊕ Easy integration with SDKs for major languages
⊕ Built-in media processing & CDN
⊕ Supports multi-source uploads (cloud, URLs, local)

Cons

⊖ Freemium limits on free tier
⊖ Advanced features require paid plans
⊖ Dependency on third-party CDN for delivery