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ChatGPT OpenAI Developers Course: OpenAI for Developers
Role Play
Rating: 4.0 out of 5(12 ratings)
28 students

ChatGPT OpenAI Developers Course: OpenAI for Developers

ChatGPT OpenAI Developers Course: Learn OpenAI API Testing, ChatGPT Systems, and Postman App Workflows!
Last updated 1/2026
English

What you'll learn

  • How OpenAI APIs work from request to response
  • How to set up and secure API keys
  • How to use the Postman app for AI testing
  • How chat completion works in real systems
  • How to test GPT models using API calls
  • How to create images using DALL·E through API
  • How to convert speech to text using Whisper
  • How to control output using temperature and tokens
  • How to read and debug JSON responses
  • How to test AI features before production use

Course content

9 sections28 lectures3h 54m total length
  • ChatGPT API & Postman For Developers: Step by Step API Guide (Promo)1:23

    Learn to use the OpenAI API key with Postman, test endpoints, and explore models like GPT-3.5, GPT-4, DALL-E, and Whisper, from scratch.

  • Introduction to Basic Terms18:12

    Explore fundamental artificial intelligence terms such as machine learning, neural networks, deep learning, prompts, tokens, and tokenizer with practical examples and cost implications.

  • Basic Prompt Engineering3:43

Requirements

  • Basic computer skills
  • Internet connection
  • Free OpenAI account
  • Free Postman app installed
  • Interest in APIs or software systems
  • No advanced coding required

Description

If you want to become a confident OpenAI developer who can work with real APIs instead of just watching demos, this course is made for you.

Most people learn ChatGPT by typing prompts in a browser. That is useful, but it does not teach you how developers actually connect AI to apps, websites, dashboards, or business tools. This course takes you beyond the chat screen and shows you how to work directly with OpenAI using the Postman app and real API requests.

You will start from the basics and move step by step into real developer workflows. You will learn how OpenAI APIs work, how requests are sent, how responses come back, and how to control what the AI returns. By the end, you will be able to test, adjust, and run ChatGPT and other OpenAI models like a working developer, not just a user.

This course is designed to feel practical from the first section. You will see how to set up your OpenAI account, create API keys, and connect everything inside Postman. Then you will send live requests to ChatGPT, image tools, and transcription tools so you can see how different inputs change the output in real time.

You will also learn the key terms that developers use every day, such as HTTP, JSON, tokens, models, and temperature. These are often skipped or explained in complex ways. Here, they are broken down in plain language so you always know what you are doing and why it works.

As you move forward, you will learn how to work with GPT 3.5 Turbo and GPT 4, how to test different prompts in the Playground, and how to control cost and usage by understanding tokens and pricing. You will also learn how to read API responses and fix common errors that stop beginners from moving ahead.

What makes this course different is that it does not stop at theory. You will practice real tasks like:

  • Sending chat requests to OpenAI from Postman

  • Creating image requests with DALL·E

  • Sending audio files for transcription with Whisper

  • Adjusting settings to control how creative or direct the AI should be

  • Testing and tracking API results before moving to code

If you skip learning these skills, you may stay stuck relying on tools made by others instead of creating your own AI-powered systems. You may also struggle in developer roles, client work, or projects where real API knowledge is expected.

By the end of this course, you will be able to speak the language of OpenAI developers with confidence. You will know how to test ideas quickly, fix problems, and prepare your AI setup for real apps, SaaS tools, or client projects.

This course is a strong fit for anyone who wants to move into AI development, automation, or software testing roles. It also works well for founders, freelancers, and product teams who want full control over how ChatGPT and OpenAI tools work inside their systems.

If your goal is to stop guessing and start working with OpenAI like a real developer, this course will give you the skills and structure to do exactly that.

Who this course is for:

  • Anyone with a basic understanding of programming and APIs but new to OpenAI and ChatGPT APIs.
  • Aspiring developers and data scientists who are interested in leveraging OpenAI's powerful APIs for their projects and applications.
  • Learners who want to explore the potential of natural language processing, code completion, image generation, and speech recognition in their work.
  • Professionals who seek to expand their knowledge of AI models, including GPT-3.5 and its use cases, to enhance their skill set.
  • Product managers, business analysts, and entrepreneurs exploring the potential of AI-powered solutions for their businesses or industries.
  • Developers or software engineers interested in integrating AI capabilities into their projects or applications.