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Mockbin vs WireMock: catalog facts
Mockbin	WireMock
Free Free and open source, with no sign-up.	Freemium The core engine is free and open source; WireMock Cloud has a free tier and paid plans.
Web	Web, Self-hosted, Command line
Custom status, headers and body for a mock endpoint Generates mocks from an OpenAPI 3.x document	Flexible request matching and response templating Record and playback of real service traffic
Fixed responses rather than programmable logic Losing browser storage loses the list of your bins	Standalone mode needs Java or Docker Collaboration features are in the paid cloud product
Web application	Downloadable app, Self-hosted, Hosted service
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 24, 2026

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