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json-serverJSONPlaceholder
Free

Free to install from npm.

 Free

Free for everyone with no signup or API key, supported by GitHub sponsors.

Windows, macOS, Linux, Command line Web
  • Mock REST API from a single JSON file
  • No code needed for basic use
  • No signup or API key needed
  • Stable routes and responses since 2013
  • v1 is in beta and may bring breaking changes
  • Requires Node.js and npm
  • Fixed set of six resources with fake data
  • Requires an internet connection; use json-server for a local equivalent
Downloadable app Hosted service
Closed source Closed source
License not stated License not stated
No account needed No account needed
Works offline Needs internet

Checked September 24, 2026

Checked October 2, 2026

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