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OpenAPI & Swagger UI

Swagger UI against this site’s OpenAPI spec (/playground-openapi.json). Authorize with a Bearer token from POST /auth/login, then use Try it out on items, pets, and reset.

Open editorial guide: api testing practice websites

Interactive demo

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Practice ideas

Manual testing

  • Expand tags
  • Execute login and copy accessToken
  • Authorize
  • Try GET /pets

Automation

  • Compare documented schema vs actual JSON
  • Export requests to curl from browser devtools

Locator hints (beginner)

  • Spec is static JSON; UI is client-rendered