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JSONPlaceholder vs Mockbin: catalog facts
JSONPlaceholder	Mockbin
Free Free for everyone with no signup or API key, supported by GitHub sponsors.	Free Free and open source, with no sign-up.
Web	Web
No signup or API key needed Stable routes and responses since 2013	Custom status, headers and body for a mock endpoint Generates mocks from an OpenAPI 3.x document
Fixed set of six resources with fake data Requires an internet connection; use json-server for a local equivalent	Fixed responses rather than programmable logic Losing browser storage loses the list of your bins
Hosted service	Web application
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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