Собрал для нас список полезных материалов.

Документация
Postman
* [Postman Learning Center]
* [Postman on GitHub]

Postman Built-In Libraries
* [List of Postman Built-In Libraries]
* [chai.js]
* [ajv]
* [crypto-js]
* [uuid]
* [xml2js]
* [moment.js]
* [lodash]

Newman
* [Newman on GitHub]
* [Newman HTML Reporter on GitHub]

JS
* [developer.mozilla.org]

Статьи
Postman
* [Postman Blog]
* [Введение в Postman]

Newman
* [REST API Testing using Postman & Newman Essential Guide]

Книги
Postman
* [Postman Quick Reference Guide]
* [JavaScript for impatient programmers]

REST
* [Automating and Testing a REST API]

JS
* [You don't know JS: first edition]

Митапы
Postman
* [POST/CON 2019 - Workshops]

Youtube
Postman
* [New to Postman]
* [Postman Youtube Channel]
* [Valentin Despa Learn Postman]

Курсы
Postman
* [Postman: The Complete Guide - REST API Testing]

JS
* [Freecodecamp]
* [W3C JavaScript Tutorial]
* [Курс лекций по JavaScript и Node.js в КПИ]
* [Основы ES6]

FAQ
Postman
* [How to Write Global Functions in Postman]…