UDUdemy
The Complete OpenAI API with Python Masterclass
Intermediate 10 hours English Course Certificate
Our recommendation
A practical Udemy course on building applications with the OpenAI API and Python — using GPT models for chat, text and more in your own programs. It is hands-on for developers who know some Python. Note that using the OpenAI API has its own usage costs, separate from the course.
Skills you'll gain
OpenAI APIPythonGPT modelsLLM applicationsAPI integrationPrompt engineering
Is this course right for you?
A good fit if you…
You know some Python
You want to build AI-powered apps
You like hands-on projects
Consider something else if you…
You are new to Python
You only want to use ChatGPT
You want deep ML theory
About this course
This course teaches the OpenAI API from authentication and basic completions through advanced features: function calling for structured outputs, embeddings for semantic search, the Assistants API for stateful conversations, and fine-tuning for domain-specific models.
What you'll learn
Authenticate and call the OpenAI API using Python
Use function calling to extract structured data from unstructured text
Build semantic search with embeddings and vector similarity
Create stateful AI assistants using the Assistants API
Fine-tune models for domain-specific tasks and manage API costs
This course includes
10h
On-demand video
Yes
Certificate
Yes
Mobile access
English
Language
What it costs
A paid Udemy course, usually on sale for around $12 to $20. Separately, the OpenAI API charges for usage (per token), so building and testing apps has its own running cost. Lifetime access and a refund window.
Comparison · LBS
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Prices & availability can change — confirm on the provider's site. We're not affiliated with any single provider.
Is the certificate recognised?
Udemy completion certificate — not accredited; the apps you build matter most.
Instructor
CS
Colt Steele
Udemy instructor
160K+ learners12 courses4.7 instructor rating
Taught by Udemy AI development instructors with extensive experience building production applications on top of LLM APIs.
About this provider
UD
Udemy
The world's largest online learning marketplace. 65M+ students, 210,000+ courses.
Frequently asked questions
Some Python. It focuses on building apps with the OpenAI API rather than teaching the language.
Yes. The API charges per usage (by token), separate from the course. Testing and running apps incur these costs.
Yes for developers who want to build real applications with GPT models, if you already know some Python.
A paid Udemy course, usually on sale for around $12 to $20, separate from OpenAI API usage costs.
The OpenAI API changes often, so check the newest sections match the current API.