Teams that want Postman-style workflows but must keep API specs, credentials, and traffic inside their own infra.
Organizations that rely on Postman's governance, API network, or observability — Hoppscotch's enterprise features are less mature.
What is Hoppscotch?
Hoppscotch (formerly Postwoman) is an open-source API client with a reactive web UI that feels faster than Postman. It supports REST, GraphQL, WebSocket, SSE, and MQTT testing. The self-hosted edition lets teams keep collections inside their own infrastructure, which appeals to organizations with data residency or secrets policies that preclude cloud API platforms.
Key features
Integrations
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