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DevTools24

OpenAPI/Swagger Viewer

Paste your OpenAPI or Swagger JSON specification to view endpoints in a clean, organized interface. Perfect for API documentation, endpoint exploration, and development workflows.

Tool Features

  • Parse & Validate: Validates your OpenAPI/Swagger JSON specification
  • Clean Interface: View endpoints organized by HTTP method and path
  • Detailed View: Click endpoints to see parameters, responses, and descriptions
  • Copy Endpoints: Quick copy functionality for endpoint paths
  • Tag Support: Shows API tags for better organization

Supported Formats

  • OpenAPI 3.0+ specifications
  • Swagger 2.0 specifications
  • JSON format (YAML support coming soon)
  • Complete API specs with paths, parameters, and responses
  • Server definitions and API metadata

Pro Tips

  • Click on endpoints to expand detailed information
  • Use the copy button to quickly grab endpoint paths
  • Method badges are color-coded (GET=green, POST=blue, DELETE=red, etc.)
  • Load the example to see how the viewer works
  • All processing happens locally - your API specs never leave your browser

Common Use Cases

  • Review API specifications before implementation
  • Debug and validate OpenAPI/Swagger files
  • Explore third-party APIs and their endpoints
  • Present API documentation in meetings
  • Quick reference for available endpoints and parameters