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Build Inside-ChatGPT Apps from Scratch with OpenAI APP SDK
Rating: 1.5 out of 5(2 ratings)
18 students

Build Inside-ChatGPT Apps from Scratch with OpenAI APP SDK

Become the “capability provider” for AI
Created byMike Zhou
Last updated 12/2025
English

What you'll learn

  • Understand how the OpenAI App SDK works inside ChatGPT — learn how ChatGPT Apps differ from traditional API integrations.
  • Build your own ChatGPT App from scratch using JavaScript (Node.js) — go step by step through setup, development, and deployment.
  • Publish and test your ChatGPT App inside ChatGPT — learn the workflow to make your app live and ready for users.
  • Gain a fast-track understanding of the new AI App Runtime — learn how to interact your app inside ChatGPT

Course content

6 sections • 12 lectures • 1h 44m total length

  • Introduction2:45

Requirements

  • Basic understanding of programming concepts (variables, functions, and data structures).
  • Some familiarity with any object-oriented language (e.g., Java, Python, or C++).
  • Willingness to learn JavaScript (Node.js) syntax — all examples are explained clearly for quick understanding.
  • No prior knowledge of OpenAI APIs or ChatGPT SDK is required — we’ll cover everything from setup to launch.

Description

Build Apps inside ChatGPT — not outside it.
This course teaches you how to become a ChatGPT App capability provider, using the official OpenAI App SDK and JavaScript (Node.js) to build powerful, interactive applications that run directly within ChatGPT.

If you’ve ever wanted to move beyond calling the OpenAI API from the outside — and instead have ChatGPT call your app — this is the perfect place to start.


Why This Course?

The OpenAI App ecosystem is expanding rapidly, and developers who understand how to build native ChatGPT Apps are gaining a major advantage.
But official documentation can be overwhelming, fragmented, or difficult for beginners to follow.

This course gives you a clear, structured, beginner-friendly path to understanding:

  • How ChatGPT Apps work

  • How the OpenAI App SDK is structured

  • How MCP (Model Context Protocol) enables ChatGPT and App communication

  • How to build real, usable apps step-by-step

Everything is taught through practical examples and real projects — no fluff, no unnecessary theory.

Who This Course Is For

This course is designed for:

  • Developers who want to build native ChatGPT Apps, not just use the API

  • Software engineers with basic familiarity in any object-oriented language

  • Learners who want a fast, practical introduction to the OpenAI App SDK

  • Builders and early adopters eager to enter the AI App ecosystem

  • Anyone who wants to understand how LLMs communicate with external tools and capabilities

  • Startup founders and product creators exploring AI opportunities

If you know the basics of programming and want to learn the newest and fastest way to build AI applications, this course is for you.

Who this course is for:

  • Developers and tech enthusiasts who want to build real apps inside ChatGPT instead of using external APIs.
  • Software engineers who already know an object-oriented language and want to quickly learn the new OpenAI App SDK.
  • Product builders and early adopters eager to understand how to become capability providers in the AI ecosystem.
  • Startup founders and innovators looking to explore the next wave of opportunities in the ChatGPT App marketplace.

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