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Mockbin vs Mockoon: catalog facts
Mockbin	Mockoon
Free Free and open source, with no sign-up.	Freemium The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.
Web	Windows, macOS, Linux, Command line
Custom status, headers and body for a mock endpoint Generates mocks from an OpenAPI 3.x document	No account or remote deployment needed Imports OpenAPI specifications
Fixed responses rather than programmable logic Losing browser storage loses the list of your bins	Focused on REST APIs Hosted deployments require the paid cloud service
Web application	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.