OpenAPI Viewer
JSON Tools
Browse API paths and methods from OpenAPI or Swagger documents.
OpenAPI / Swagger explorer
Upload or paste a specification to browse paths and parameters
Paste a specification to inspect its endpoints
Use cases
When to use OpenAPI Viewer
Browse API paths and methods from OpenAPI or Swagger documents.
1Review an endpoint list before integration
2Check the method and summary for a route
3Inspect a small OpenAPI example during API design
4Compare JSON structures across development, staging, and production APIs
5Prepare reproducible JSON payloads for API documentation, bug reports, or test cases
6Generate Schemas, language models, Excel workbooks, or Postman requests from JSON samples
7Review duplicate keys, nulls, field types, and contract changes before release
Guidance
Get reliable results
- 1Use a specification with a valid paths object
- 2Remove credentials and private examples first
- 3Review the original specification for full request and response schemas
This is a focused specification inspector, not a complete Swagger UI client or API authorization test tool.