Filestack
Filestack File Uploader & File Upload API
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Cloud Storage & File Sharing
- Documentation / URL
- https://www.filestack.com
Overview
Filestack provides file uploads — key-based (an invalid key returns 403 AccessDenied, verified).
Quick Start
Upload (replace YOUR_KEY):
curl -X POST "https://api.filestackapi.com/api/store/S3?key=YOUR_KEY" \
-F "fileupload=@file.txt"Authentication
- Register at filestack.com → API key.
- Send it as the
keyquery parameter (invalid → 403, verified).
Rate Limits & Notes
- Free tier with limits (check the docs); paid plans scale.
- File uploads.
FAQ
Is Filestack free? Free tier with limits; more is paid.
Why 403? An invalid key returns 403 AccessDenied (verified) — use a real key.
What’s the auth style?
key query parameter.