Developers need file sharing tools that work from the command line, integrate via API and fit into automated workflows. Here are the best options in 2026, ranked by developer experience.
1. EasySend
Why developers love it: Zero-auth REST API. One POST request, one share link. No API keys, no OAuth, no signup.
curl -F "files[][email protected]" https://easysend.co/api/v1/upload- REST API with no authentication
- CLI tool:
easysend report.pdf --copy - MCP plugin for Claude Code integration
- Code examples in Python, cURL, React
- E2E encryption option for sensitive data
2. File.io
Good for: Ephemeral transfers with API
- Simple API with key
- Files deleted after first download
- 100MB free limit
Limitation: Single-download restriction. API key required for some features. Comparison.
3. Transfer.sh
Good for: Terminal-based transfers
- Upload from command line
- Self-hostable
Limitation: Unreliable availability. No encryption. No management features.
4. GoFile
Good for: Large free uploads with basic API
- Unlimited free storage
- API available
Limitation: API key required. No E2E encryption. Ads. Comparison.
5. AWS S3 / Presigned URLs
Good for: Custom file sharing within your own infrastructure
- Full control over storage
- Scalable to any size
- Presigned URLs for temporary access
Limitation: Requires AWS account, IAM configuration, bucket policies. Significant setup time. Not practical for quick ad-hoc sharing.
What Developers Should Look For
- No auth required - API keys add complexity. For file sharing, zero-auth is the sweet spot
- JSON responses - parseable output for scripting and automation
- CLI tool - terminal-native upload without leaving your workflow
- CI/CD compatibility - works in GitHub Actions, GitLab CI, Jenkins
- Encryption option - for sharing sensitive build artifacts or client data
- No vendor lock-in - standard HTTP, no proprietary SDKs needed
Integration Patterns
- CI/CD artifacts - upload build output, share link in deploy notification
- Log sharing - upload log files for remote debugging
- Database dumps - share SQL exports between environments
- Client deliverables - automate delivery from build pipeline to client
- AI workflows - MCP plugin for AI-assisted file sharing
For the complete API walkthrough, see the API integration guide and 10-minute upload feature tutorial.
View API Docs