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json-server

Full fake REST API from a JSON file in seconds

Developer Tools & Git ★ 75.7k stars Easy setup MIT

json-server is an open-source tool that creates a full fake REST API from a single JSON file with zero coding. It is widely used for prototyping and self-hosted mock backends during development.

Official siteSource code

Key features

  • Instant REST API
  • JSON file backend
  • Full CRUD support
  • Custom routes

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Mature project with 75.7k GitHub stars

json-server replaces

Self-hosted Mockoon alternativesSelf-hosted Postman Mock alternatives

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