Fun API Playground

18 free, no-signup mock REST APIs (Friends, Star Wars, Harry Potter, Pokémon, Pizza & more) with Swagger-style docs, Bearer auth, pagination, GraphQL, webhooks, and every HTTP status code — 400, 401, 403, 409, 412, 418, 429, 500 — to practice QA and API testing.

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Sherlock Holmes API Docs — Fun API Playground

Cases, suspects and clues from a fictional Victorian detective agency. Practice CRUD, Bearer auth, nested resources, pagination and optimistic concurrency.