json-server makes it extremely easy to setup robust JSON apis to use for demos and proof of concepts. John walks you through the process of using pre-built json files for a server and how to generate larger datasets using lodash and faker.

Install:

npm install -g json-server

Create a json file:

{    "people": [        {            "id": 0,            "name": "John"        }    ]}

Run:

json-server db.json

It will run the localhost:3000:

It return the data:

[{"id":0,"name":"John"}]

or db:

{"people":[{"id":0,"name":"John"}]}

You also can do POST; DELETE; GET;

For example POST:

[Node.js] Creating Demo APIs with json-server