Public Swagger UI Demo — Try It Live

A live Swagger UI hooked up to a real REST API. Click "Try it out" on any endpoint and see real responses — no signup, no API key.

Open the live Swagger UI

What you'll see

• Every REST endpoint, grouped by tag (Users, Products, Orders, Auth, System)
• Try it out enabled — execute requests right from the docs page
• Request schemas with examples and validation rules
• Response models with multiple status codes (200, 400, 401, 404, 500)
• Auth scheme buttons for Bearer / API Key flows
• OpenAPI 3.0 raw JSON at /openapi.json — copy into any importer

Use this Swagger UI as a learning reference

Reading a polished Swagger UI is the fastest way to learn how OpenAPI describes:

• Path parameters vs query parameters vs request bodies
• Reusable schemas via components.schemas and $ref
• Security schemes (Bearer JWT, API Key, OAuth2)
• Discriminated unions and enum constraints

Generate a client from this Swagger spec

# OpenAPI Generator (Java, Python, TypeScript, Go, C#, ...)
openapi-generator-cli generate \
  -i https://demo.totalshiftleft.ai/openapi.json \
  -g typescript-axios \
  -o ./client

Frequently asked questions

Where is the Swagger UI?

At /docs. The raw OpenAPI 3.0 JSON is at /openapi.json.

Can I really execute requests from Swagger UI?

Yes. Try-it-out is enabled and CORS is open, so requests execute against the live sandbox.

Can I import this Swagger into Postman?

Yes. In Postman, Import → Link → paste /openapi.json. Every endpoint becomes a request.

Other free public APIs in this sandbox

Topics: Swagger UI demo · public Swagger API · Swagger try-it-out · OpenAPI 3.0 example · learn Swagger · Swagger tutorial · REST API with Swagger