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DFA Course Academy and Krystian Wojtarowicz

Copywriter, Sales Manager, Web Designer, Cyber Security Expert, Logo Maker, Product Developer, Entrepreneur, SEO Expert, or even GPT Constructor that makes Custom GPTs - these are only a few examples of Custom GPTs that you will be able to create easily and they are your professional specialists for any fields.

(This works EVEN IF you’ve never created any Custom GPT before, or even if you have never used ChatGPT in your life.)

Did you know that up to 300 million full-time jobs could be lost around the world as a result of the automation that ChatGPT and other AI tools provide?

Read more

Copywriter, Sales Manager, Web Designer, Cyber Security Expert, Logo Maker, Product Developer, Entrepreneur, SEO Expert, or even GPT Constructor that makes Custom GPTs - these are only a few examples of Custom GPTs that you will be able to create easily and they are your professional specialists for any fields.

(This works EVEN IF you’ve never created any Custom GPT before, or even if you have never used ChatGPT in your life.)

Did you know that up to 300 million full-time jobs could be lost around the world as a result of the automation that ChatGPT and other AI tools provide?

This means if you don’t know the secrets of using ChatGPT and creating Custom GPTs which are the specialists in the specific field there is a huge chance that you will be left behind by the people who know how to use Artificial Intelligence to their advantage.

Luckily for you, there’s a solution.

Let me introduce you to Custom GPT Mastery: Learn To Build Your Custom GPTs (2024)

What's Inside?

  1. +12 Custom GPT Templates to use - Download them & copy and paste and that's all. Furthermore, in the course is waiting for the specific lecture on how to set them properly in the ChatGPT

  2. 2 Ways To Set Up Custom GPT - one is super beginner-friendly, while the other offers a bit more of a challenge. But don't worry, each step is clearly explained in the course, making your journey smooth and fun.

  3. Knowledge - Learn how to use PDFs, spreadsheets, images, or any files to enhance your custom GPT to its fullest potential.

  4. AI Actions - Integrate GPT with + 7000 third-party apps & perform around 20,000 different actions

  5. API Into a Schema - Discover how to find the best API keys for your Custom GPT, turn it into the schema, and applying to your GPT

  6. Projects - In the course, there are waiting for you the projects to refine your knowledge and see what you have already learned.

Now, what gives me the credibility to teach you this topic?

From the beginning, I have been following this technology and spent over +2000 hours generating various content using AI and ChatGPT.

I have created over +100 of the most advanced GPTs in my career for different purposes and helped thousands of people to generate their own Custom GPTs.

Don’t just take my word for it. Read some of the students honest reviews...

"I initially just took this courses to get a basic understanding of creating custom GPTs. I got more than what I bargained for. Krystian did a great job at explaining step-by-step and he explained far more than I had anticipated. I love his excitement and enthusiasm. I look forward to reviewing the course again in order take a deep dive into the process." - Pierre P.

"I am amazed by how good and to-the-point this course is. I had already created my custom GPTs before but was able to fine-tune them with the help of this course. I also had no idea what actions were, so that was an eye-opener. Plus, the practical demos gave me so many ideas on what to do with Chat GPT. I would recommend this course to anyone who wants to learn how to build their own GPTs." - Claire G.

"The course is well-structured with clear explanations. The instructor shared various comprehensive resources that enhanced the learning experience." - Lisama A.

"Great course about OpenAI's new custom GPTs. It is current at the time of this review. Krystian just added an update about the new GPT store, so he keeps the course updated. I enjoyed his teaching style and I highly recommend his course if you want to learn about Custom GPTs. Just follow his step by step instructions, and you'll have your own GPTS in the store." - Ben V.

The best thing about Custom GPT Mastery is its comprehensive approach to building personalized GPTs. The course provides +12 Custom GPT templates, offering a wide range of options for customization. The step-by-step guidance and practical examples make it easy to understand and apply." - Nam N.

"I am grateful for the knowledge gained from "Custom GPT Mastery." The course has equipped me with practical skills that I am eager to apply in my professional endeavors. Your dedication to delivering high-quality content is evident, and I look forward to any future courses you may offer.

Thank you for your commitment to excellence." - Vinayak G.

"Step by step, very simple explanation but easy to follow, so this lecture is recommended to start one's own GPTs. Thank you very much." - Yongju C.

30-

You have

If you want to learn how to create your custom GPT that will be the specialist in any field that you want and help you to improve your work, effectiveness, and productivity, then this is the course for you.

Enroll now

What's inside

Learning objectives

  • Learn how to create your own custom gpt step-by-step from scratch
  • Discover the secrets of custom ai actions to stand out from the 95% of custom gpt users
  • Learn how to connect your custom gpt with +5,000 apps and +20,000 ai actions with zapier
  • Learn how to use personalized gpts in a specific field for your advantage
  • Explore how to improve your work and daily basis with custom gpts
  • Know the best possible use cases of custom gpts to use its full potential
  • How to improve your custom gpt with knowledge tab & files
  • Learn the ways of setting up the best and proven instructions for gpt

Syllabus

Introduction To The Course
Course Introduction
ChatGPT vs Custom GPTs: What's The Difference?
30 Custom GPT Templates To Download! ( Important )
Read more
Custom GPT Basics
Custom GPTs - First Use
Let's Build Our First Custom GPT From Scratch!
Build Your GPT With an Advanced Method
Protect Your Custom GPT ( Important )
Custom GPT Advanced Features
Improve Your GPT To The Limits - "Knowledge"
AI Actions: Integrate Your GPT With +7,000 apps & Do +20,000 Actions
Create Your Privacy Policy Effortlessly! ( Important )
AI Actions: Let's Dive More Deeply!
Increase Your Privacy With ONE Simple Action!
EXERCISE: Use AI Actions in Your Daily Activities
AI Actions: Export Informations To File With ONE COMMAND ( Important )
EXERCISE: GPT Constructor
Builder Profile & Changing GPT Owner Information
Explore Code Interpreter
PROJECT: Let's Refine Our Knowledge!
NEW: Discover How To Save Important Information With The New "Memory Option"
NEW: Build Fully Functional AI Chatbots for Your Website!
Custom AI Actions: Advanced Methods
Introduction To The Section
Why Are AI Actions So Important?
Let's Start Creating Our Custom AI Actions!
Transform Your API Key Into a Schema With a Proven Method
Relevance AI NEW Update
Set Up Your Advanced AI Action In Your Custom GPT!
Discover Another Method To Create Custom AI Actions ( Easy & Simple )
PROJECT: Let's Create Our Custom AI Actions!
Let's Practice Custom AI Actions & Schema Structure
Preview of The Section
Retrieve Product Data By Scanning Barcodes
Swagger Editor: Visualize & Simplify Your Schema
Open Library: API For Searching Any Book
Create a Custom GPT To Access Weather Data
Working With Documents Inside The GPT
Analyze Any Information In Spreadsheets
Translate Your Files Easily With This ONE Method!
Work With Your Graphics
Create Powerful Automations with Zapier
Section Preview
What Is Zapier and How Does It Work?
Let's Create The First Automation Ever! (Important)
Explore ChatGPT API Pricing
Build AI-Powered Social Media Automation
Create Powerful CRM System From Scratch!
Create Your Own Custom Chatbot For Your Facebook Page
Let's Create an Advanced Role Based Onboarding System
Create a Complex Customer Feedback Response System
Automate Tasks with AI-Powered Task Assignment Automation
NEW: Explore The Latest ChatGPT Updates!
Discover The Amazing Capabilities Of Chatgpt-4o!
Explore The MOST Powerful AI Model Ever - ChatGPT o1
Learn How To Use The NEW ChatGPT Canvas Feature!
Explore ChatGPT Advanced Voice Tool
GPT Store: Make Money From Your GPTs
Discover The First Important Information!
Do These Simple Steps To Include Your GPTs In Store!
How Can We Make Money From GPTs?
GPT Store: The Best GPTs To Work With!
Let's Discover The First Useful GPT From Store!
Custom GPT That Can Make Your SEO Fly
Visualize Any Data With Amazing Diagrams
Doc Maker: Extremely Useful GPT
Enhance Any Image Effortlessly
Enhance Your Product Listings Effortlessly!
This GPT is Your Personal Investment Advisor
Create Consistent Characters
Find The Most Relevant GPTs For Your Tasks
Turn Your Text Into Speech!
Humanizer AI
Write For Me GPT
Example Use Cases For 30 Custom GPTs
USE CASE: Social Media Manager
USE CASE: SEO Expert
USE CASE: Copywriter
USE CASE: Product Developer
Let's Summarize Our Journey!
Conclusion & Congratulations
Old Version Of The Course
Explore First Information!
12 Custom GPT Templates To Download! ( PDF )
Custom GPT - First Use
Let's Build First Custom GPT!
Build Your GPT: An Advanced Method
Protect Your Custom GPT (Important)
Bonus Lecture ( Important )
Check Out The Special Bonus! ( Inside )

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Teaches how to integrate custom GPTs with over 7,000 apps, enabling users to perform around 20,000 different actions, which can significantly streamline workflows
Provides +12 custom GPT templates, offering a wide range of options for customization, which allows users to tailor AI solutions to their unique needs and challenges
Presents two methods for setting up custom GPTs, one beginner-friendly and the other more advanced, ensuring that learners of all skill levels can engage with the material
Explores the GPT Store and how to include custom GPTs, offering insights into potential revenue streams and entrepreneurial opportunities within the AI space
Covers the capabilities of ChatGPT-4o and ChatGPT o1, which are among the most powerful AI models, giving learners an edge in understanding innovation and groundbreaking topics
Explains how to use PDFs, spreadsheets, images, and other files to enhance custom GPTs, allowing users to leverage diverse data sources for improved AI performance and insights

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Custom GPT Mastery: Learn To Build Your Custom GPTs (2025) with these activities:
Review ChatGPT Basics
Reviewing ChatGPT basics will help you understand the foundation upon which Custom GPTs are built, ensuring a smoother learning experience.
Browse courses on ChatGPT
Show steps
  • Review the official ChatGPT documentation.
  • Experiment with ChatGPT to understand its capabilities.
  • Identify areas where you need more clarity.
Review 'Building Applications with the ChatGPT API'
Reading this book will provide a deeper understanding of the ChatGPT API, which is essential for advanced Custom GPT development.
Show steps
  • Read the chapters related to API integration.
  • Experiment with the code examples provided in the book.
  • Relate the concepts to Custom GPT development.
Build a Simple Custom GPT
Starting a project to build a simple Custom GPT will allow you to apply the concepts learned in the course and solidify your understanding.
Show steps
  • Define the purpose and functionality of your Custom GPT.
  • Design the instructions and knowledge base for your GPT.
  • Test and refine your Custom GPT based on user feedback.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Review 'LangChain in Action'
Reading this book will provide a deeper understanding of LLM frameworks, which can be applied to Custom GPT development.
Show steps
  • Read the chapters related to LangChain fundamentals.
  • Experiment with the code examples provided in the book.
  • Relate the concepts to Custom GPT development.
Create a Blog Post on Custom GPT Use Cases
Creating a blog post on Custom GPT use cases will help you explore the potential applications of Custom GPTs and share your knowledge with others.
Show steps
  • Research different use cases for Custom GPTs.
  • Write a blog post summarizing your findings.
  • Share your blog post on social media.
Develop a Custom GPT Showcase Presentation
Developing a presentation showcasing Custom GPTs will allow you to demonstrate your skills and knowledge to potential clients or employers.
Show steps
  • Select a few Custom GPTs to showcase.
  • Create a presentation highlighting their features and benefits.
  • Practice your presentation and gather feedback.
Contribute to a Custom GPT Open Source Project
Contributing to an open-source project related to Custom GPTs will provide valuable experience in collaborative development and expose you to different approaches.
Show steps
  • Find an open-source project related to Custom GPTs.
  • Identify areas where you can contribute.
  • Submit your contributions and participate in code reviews.

Career center

Learners who complete Custom GPT Mastery: Learn To Build Your Custom GPTs (2025) will develop knowledge and skills that may be useful to these careers:
AI Application Developer
An AI Application Developer creates software solutions that leverage artificial intelligence. This course is a perfect fit, as it teaches how to construct custom GPTs, which are specialized AI applications. You'll learn to integrate GPTs with other apps, use API keys, and transform them into schema, all of which are critical skills for an AI Application Developer. The course also shows you how to work with various file types, which are often needed for AI applications. Learning how to create unique AI tools that specialize in a specific function will be valuable in any AI development process.
Chatbot Developer
A Chatbot Developer builds conversational AI interfaces. This course directly relates to this role because it shows you how to build custom GPTs to function as specialized chatbots. You will learn how to create fully functional AI chatbots for websites, and also how to create chatbots for Facebook pages. You also explore how to use the knowledge tab and files to enhance chatbot capabilities. Furthermore, the course’s focus on using API keys and schemas will give you the ability to build advanced chatbots, and the work you do with Zapier will connect them to even more services.
Automation Specialist
An Automation Specialist designs and implements systems to automate tasks and workflows. This course will be extremely beneficial to anyone interested in this role. The course covers integrating custom GPTs with over 7,000 third-party apps and automating around 20,000 different actions, providing a strong foundation for an Automation Specialist. You'll explore using Zapier to create powerful automations, and even learn how to design AI-powered automation for social media and CRM systems. The course’s projects in refining automation knowledge will give you the experience you need.
AI Consultant
An AI Consultant advises clients on how to implement artificial intelligence solutions. This course provides a consultant with useful knowledge of how to build custom GPTs for a variety of purposes, and also for integrating them into a business’s existing infrastructure. You will learn to integrate GPTs with other apps, and to use API keys, transforming them into schema. The course directly discusses use cases for custom GPTs, which will provide a consultant with a strong base of knowledge to recommend to clients.
Productivity Consultant
A Productivity Consultant helps individuals and teams improve their efficiency and effectiveness. This course is ideal for individuals seeking to become a Productivity Consultant, as it is focused on how to use custom GPTs to boost productivity and efficiency. The course teaches how to build specialized GPTs, including those that integrate with external apps to do complex actions. The course discusses how to use custom GPTs in a variety of use cases, and it also includes ways to improve work and daily processes with custom AI, all of which are advantageous to a productivity consultant.
Digital Marketing Specialist
A Digital Marketing Specialist develops and implements online marketing strategies. This course helps you develop AI tools to assist in many marketing tasks. For example, you learn to build GPTs for SEO, or for creating product listings. Additionally, this course teaches you how to create custom GPTs with third party social media applications, and to create AI powered social media automation. The course even offers templates for GPTs that can assist with marketing, making it a practical choice for a career in digital marketing.
Solutions Architect
A Solutions Architect designs and implements technology solutions to meet business needs. This course will help a Solutions Architect by teaching them how to build and customize GPTs, which are increasingly essential tools in modern business. The course covers how to use API keys, integrate with thousands of apps, and create complex automation systems. The course provides the know-how to create custom AI that meets specific project requirements. The course's emphasis on schema and custom AI actions will also enhance a Solutions Architect's ability to design unique solutions.
Technical Trainer
A Technical Trainer instructs others on how to use technology effectively. This course is beneficial to a Technical Trainer as it provides an in-depth understanding of how to build and use custom GPTs. The course focuses not only on the technical skills to create specialized AI tools, but also on the best practices for their application. A Technical Trainer who understands how to use these tools can teach others these techniques as well, and they can also use the methods they have learned in the course to create their own training materials, as well.
Business Analyst
A Business Analyst identifies business needs and develops solutions using technology. This course may help a Business Analyst by teaching how to use custom GPTs to improve workflow and increase productivity. The course shows you how to create custom AI tools that integrate with existing business processes. You will learn to incorporate custom AI into a CRM system, and also to automate various tasks. This course can provide a Business Analyst with effective AI tools that are directly relevant to the challenges that businesses face.
Data Analyst
A Data Analyst examines data to identify trends and insights. This course may be useful to a Data Analyst by showcasing ways to use custom GPTs to enhance analysis. The course teaches how to use GPTs to analyze spreadsheets, and also to access data from different sources by using API keys and third party apps. By connecting data from multiple sources and using GPTs to analyze it, data analysts may find insights far quicker using the tactics of this course. This course may help an analyst augment their existing workflow.
Content Strategist
A Content Strategist plans and oversees the creation of engaging content. This course can be a valuable asset for a content strategist by providing ways to use custom GPTs to enhance content development. This course covers ways to analyze and translate files, and to enhance images, all of which are valuable tools for content creation. The course includes templates of custom GPTs for SEO and copywriting, as well. A content strategist may also use their knowledge of this course to create unique content strategies.
Software Engineer
A Software Engineer designs and develops software applications. This course will help engineers who are interested in developing AI tools. By learning to build custom GPTs, you will learn about integrating AI into code. This course will teach you how to use API keys, how to integrate GPTs with other apps, and how to create fully customizable AI tools. Software Engineers would find many of the topics covered in this course to be foundational, and learning to apply these tools may lead to new techniques and approaches.
Project Manager
A Project Manager oversees the planning, implementation, and tracking of projects. The skills learned in this course may be helpful to a project manager by showing how to customize GPTs to increase productivity and efficiency on a project team. This course teaches integration of GPTs with many different services, and also methods for automating tasks. Project managers may use the techniques learned in this course to build tools that help their teams to complete projects faster and more efficiently.
Technical Writer
A Technical Writer creates documentation for technical products and services. This course will likely benefit a technical writer, as technical writers often use AI tools to enhance their workflow. This course teaches AI concepts, and also how to build custom AI tools. It describes how to use GPTs to translate files, and also to access information from different sources using APIs and third party apps. Furthermore, a technical writer may use the techniques of this course to improve their output and efficiency.
Customer Service Representative
A Customer Service Representative assists customers with inquiries and issues. This course may be relevant to a customer service representative by teaching ways to use custom GPTs to provide faster more effective service. The course teaches how to create chatbots, and also how to integrate them into a customer service workflow. Further, the course teaches how to use custom AI to respond to customer feedback, assisting Customer Service Representatives in their roles.

Reading list

We've selected one books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Custom GPT Mastery: Learn To Build Your Custom GPTs (2025).
Provides a practical guide to leveraging the ChatGPT API for building various applications. It covers topics such as chatbot development and workflow automation, which are directly relevant to creating Custom GPTs. It serves as a valuable reference for understanding the technical aspects of integrating ChatGPT with other systems and expanding the functionality of Custom GPTs.

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