OpenAPI/Swagger UI
API documentation and design platform with interactive UI
What it does well
- Automatic, always-in-sync API documentation from OpenAPI specs
- Interactive endpoint testing without external tools like Postman
- Industry-standard solution with broad ecosystem support
- Free, open-source version available with commercial options
Where it falls short
- Requires properly formatted OpenAPI specifications to function effectively
- Limited UI customization without custom CSS/JavaScript knowledge
- Steep learning curve for OpenAPI specification standards
Core Features
| API Documentation Generation | Yes |
| Interactive API Explorer | Yes |
| OpenAPI Specification Support | 3.0+ |
| Try It Out / Test Endpoints | Yes |
| Multi-language Code Generation | 20+ |
| Request/Response Examples | Yes |
| Schema Validation | Yes |
| API Versioning Support | Yes |
| Mock Server Generation | Yes |
| Search & Filtering | Yes |
| Open Source & Free | Yes |
Security
| Authorization & Security Schemes | Yes |
Free
Free
- Open source Swagger UI
- Interactive API documentation
- OpenAPI 3.0 and 2.0 support
- Try-it-out functionality
- Community support
SwaggerHub Free
Free
- Everything in Open Source
- Cloud-hosted API documentation
- Team collaboration (up to 1 team)
- Basic version control
- Public APIs only
SwaggerHub Pro
$99/mo
$990/yr billed annually
- Everything in SwaggerHub Free
- Private APIs
- Unlimited team members
- Advanced version control
- API mocking and testing
- Integrations
- Priority support
SwaggerHub Enterprise
Custom
- Everything in SwaggerHub Pro
- On-premise deployment
- Advanced security and compliance
- Custom integrations
- Dedicated support
- SLA guarantees
- Custom domain and branding
Comparisons with OpenAPI/Swagger UI
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