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Insomnia Mockbin
The open-source backend behind Insomnia's API mocks — mock, test and debug HTTP endpoints.
Day 43 since launch · Launched 25 August 2026
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What is Insomnia Mockbin?
Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia, built and used by Kong. It lets you create mock HTTP endpoints, inspect requests and test API integrations without standing up a real server.
Pros
- Instant mock endpoints for any API
- Backed by Kong and used by Insomnia
- Great for debugging webhooks and clients
Cons
- Focused on HTTP mocking only
- Self-hosting needs ops work
- No persistence layer for complex scenarios
Who should use Insomnia Mockbin
Developers who need quick mock HTTP endpoints to test APIs, webhooks and clients.
Who may not need it
Non-developers or teams wanting a full API design suite.
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