Installing

To utilize unirest for node.js install the the npm module:

$ npm install unirest

After installing the npm package you can now start simplifying requests like so:

var unirest = require('unirest');

Creating Request

unirest.post("https://zestful.p.rapidapi.com/parseIngredients")
.header("X-RapidAPI-Host", "zestful.p.rapidapi.com")
.header("X-RapidAPI-Key", "SIGN-UP-FOR-KEY")
.header("Content-Type", "application/json")
.send({"ingredients":["2 1/2 tablespoons finely chopped parsley","3 tablespoons extra-virgin olive oil, or more to taste","1 1/2 tbsp cinnamon"]})
.end(function (result) {
  console.log(result.status, result.headers, result.body);
});