Fun API Playground

25 free, no-signup mock REST APIs (Friends, Star Wars, Harry Potter, Pokémon, Pizza, Bank, Airline & 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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Bank API Docs — Fun API Playground

A tiny FinTech sandbox: list accounts, page through transactions with an opaque cursor, and move money with idempotent transfers. Insufficient funds return HTT…