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json-server vs MockAPI: catalog facts
json-server	MockAPI
Free Free to install from npm.	Freemium Plan details are not described on the fetched page; check the site for current limits.
Windows, macOS, Linux, Command line	Web
Mock REST API from a single JSON file No code needed for basic use	Builds mock REST endpoints without writing a server Generates custom fake data
v1 is in beta and may bring breaking changes Requires Node.js and npm	Meant for prototyping and testing, not production use Hosted only, so it needs an internet connection
Downloadable app	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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