Hoppscotch
Open source REST, GraphQL and WebSocket client in the browser, a lightweight Postman alternative.
ABOUT
What is Hoppscotch?
Hoppscotch is a web-based API client that supports REST, GraphQL and realtime protocols including WebSocket, SSE, Socket.IO and MQTT. It runs in the browser, with collections, environments and interceptors such as Hoppscotch Agent and the browser extension for CORS-restricted requests.
BEFORE YOU SIGN UP
What you should know
COMMUNITY
From the forums
It is perceived in r/webdev and r/selfhosted as the natural open-source alternative to Postman, especially after the backlash to Postman over its 2023 changes. The community values that it is browser-based, fast and self-hostable. The few negatives are that some people prefer Bruno for Git-based workflows.
— Community sentiment
SEE ALSO · Data & backend
Alternatives to Hoppscotch
Aiven
FreemiumManaged data platform with Postgres, Kafka, Valkey, OpenSearch and more, across multiple clouds.
Beeceptor
FreemiumIntercept, mock and debug HTTP requests without writing a single line of backend code.
CockroachDB
Trial onlyDistributed SQL database with high availability, ACID consistency and Postgres compatibility.
Guides mentioning Hoppscotch
ABOUT US
Honest, independent, no fluff.
No paid placements. Just a clear look at what this does, what it costs, and what to know before you commit.
FAQ
Questions, answered.
Can I use Hoppscotch in the browser?+
Yes. Hoppscotch provides a hosted Web App, alongside desktop, CLI and self-hosted options.
How can Hoppscotch handle browser CORS restrictions?+
It documents several interceptors, including Hoppscotch Agent, Proxyscotch and the browser extension. The local Agent routes Web App requests through your machine and local network configuration.