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 3.0 Support | Yes |
| Swagger 2.0 Support | Yes |
| Code Generation | Yes |
| Real-time API Testing | Yes |
| Multiple Language Support | 50+ |
| Schema Validation | Yes |
| API Mocking | Yes |
| Versioning & History | Yes |
Security
| OAuth 2.0 Support | Yes |
Integrations
| API Gateway Integration | Yes |
| CI/CD Pipeline Integration | Yes |
Collaboration
| Team Collaboration | Yes |
Free
Free
- Swagger UI for API documentation
- OpenAPI specification support
- Interactive API exploration
- Basic API testing
- Community support
Pro
$50/mo
$500/yr billed annually
- Everything in Free
- Advanced API design tools
- Team collaboration features
- API versioning
- Custom branding
- Priority support
- Mock servers
Enterprise
Custom
- Everything in Pro
- Custom deployment options
- Advanced security features
- SSO/SAML support
- Dedicated support
- SLA guarantee
- Custom integrations
Comparisons with OpenAPI/Swagger UI
ToolAudit may earn a commission when you visit a tool through our links. This never affects our scores or rankings. How we make money