Open-source browser-based API testing with REST, GraphQL, and WebSocket.
The best free Postman alternative. 63K GitHub stars, runs in browser, supports everything. No reason not to try it.
Q: What is Hoppscotch?
Hoppscotch is an open-source, browser-based API development tool supporting REST, GraphQL, WebSocket, MQTT, and more. 63K+ GitHub stars.
Q: How much does Hoppscotch cost?
Hoppscotch offers a free plan. Unlimited free.
Q: Who is Hoppscotch best for?
Hoppscotch is best for developers wanting fast, lightweight api testing without installing postman..
Q: Is Hoppscotch free?
Yes, Hoppscotch is completely free and open source.
Developers wanting fast, lightweight API testing without installing Postman.
Teams needing advanced API monitoring or enterprise collaboration features.
Unlimited free
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Reviewed by AICores Editorial Team
Last updated: May 2026
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