json-server

Spec sheet

Purpose

json-server creates a fake REST API with zero coding for testing and prototyping.Read 4 Oct 2026 · github.com

License

The repository is licensed under the MIT License.Read 4 Oct 2026 · github.com

Compatibility

The README describes the tool as a fake REST API; its repository topics include frontend, mock, REST and test.Read 4 Oct 2026 · github.com

Data files

It reads a db.json or db.json5 file and starts a local server at http://localhost:3000.Read 4 Oct 2026 · github.com

Filtering

Query filters support comparison operators, membership, case-insensitive string matching and nested fields.Read 4 Oct 2026 · github.com

HTTP routes

Array resources support GET, POST, PUT, PATCH and DELETE routes, while object resources support GET, PUT and PATCH.Read 4 Oct 2026 · github.com

Install and runtime

The package is installed with npm, and its package metadata specifies Node.js >=22.12.0.Read 4 Oct 2026 · github.com

Relationships

The _embed query parameter includes related resources, and DELETE supports a _dependent parameter for dependents.Read 4 Oct 2026 · github.com

Security and compliance

The opened project pages provide no security or compliance certification statements.Read 4 Oct 2026 · github.com

Sorting and pagination

Requests can sort results and paginate them with _page and _per_page; the documented default page size is 10.Read 4 Oct 2026 · github.com

Static files

It serves files from ./public by default and can serve additional directories passed with -s.Read 4 Oct 2026 · github.com

Version status

The README identifies the displayed v1 documentation as beta and warns users to expect breaking changes.Read 4 Oct 2026 · github.com

Plans and prices

Every json-server plan and price →

Where Specifiction places it

• API Mocking Tools#11 of 267.8