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Hoppscotch

A fast, open source API client that lives in a tab.

Pricing: FreemiumNo sign-up neededOpen source
Visit hoppscotch.io ↗

Hoppscotch is an open source alternative to heavyweight API clients: send REST, GraphQL and WebSocket requests from the browser with collections and environments. The core client is free and works without an account.

Best for: Use this when you want to poke at an API right now without installing or signing into anything.

Pros

  • Loads in seconds and stays keyboard-friendly
  • REST, GraphQL, WebSocket and more in one client
  • Open source with a self-hosting option

Cons

  • Browser CORS rules block some APIs unless you install the extension or agent
  • Team sync features require an account

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