APIs for AI Automation Agencies
The Non-Technical Guide to Understanding and Using APIs
Taught by Captain Jay
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Meet Captain Jay
Captain Jay is a senior software engineer, educator, and automation specialist with more than a decade of experience in the tech industry. He has taught hundreds of students across multiple coding bootcamps, specializing in Python, JavaScript, XP, AI workflows, and modern automation practices.
He operates several businesses — including an appliance repair company, a photography/videography studio, and an automation agency — where he actively uses AI, APIs, and automated workflows to streamline operations and create scalable systems.
Jay is known for his story-driven teaching style. He breaks down complex technical concepts using simple analogies, helping non-technical founders understand and confidently use automation tools like GoHighLevel, n8n, Supabase, and AI platforms.
Fun Facts About Me!
Multi-Business Owner
I run multiple businesses outside of tech, from Appliance Repair to Photography
Full-Time Educator
I teach JavaScript, Python, and XP to everyone from beginners to senior engineers.
Code & Repair
I repair appliances and write code… sometimes both on the same day!
Lighting Designer
I design lighting for concerts and church events, blending creativity with technical talent
Systems Builder
I love building efficient systems that save people time and amplify their impact
Purpose-Driven
Teaching and helping others is part of my core purpose and mission
My Experience with Automation
1
Deep Technical Foundation
10+ years working with APIs and integrations across diverse industries and tech stacks
2
Modern Toolset Mastery
Build automations using n8n, GoHighLevel, Supabase, OpenAI, Notion, and more powerful platforms
3
Real-World Applications
Experience creating lead pipelines, CRM syncing, task automation, and AI workflows that deliver results
4
Battle-Tested Systems
Automations that I have built run real operations in businesses, proving their value every single day
5
Empowering Founders
Teach non-technical founders how to automate without coding, unlocking powerful capabilities
Why I'm Teaching This
I believe non-technical founders deserve access to the same powerful tools developers use.
APIs are the foundation of automation — and they are not just for coders. They're the invisible bridges that connect your business systems, amplify your capabilities, and unlock possibilities you might not even know exist yet.
My goal is to give you the clarity and confidence to build powerful automations that save time, increase revenue, and scale your business. You don't need a computer science degree. You just need the right guidance and a willingness to learn.
This course exists to level the playing field and put enterprise-level automation capabilities in your hands.
What I Believe About Non-Technical Founders
Code is Optional
You don't need to write code to build powerful automations. Modern tools make it accessible to everyone.
Business Wisdom Wins
You already understand business problems better than most developers. That's your superpower.
Automation Amplifies
Automation amplifies your strengths, allowing you to do more with less effort and greater consistency.
APIs Are Universal
APIs are for everyone, not just the tech elite. They're tools, not barriers.
Possibility Mindset
With the right teacher and tools, you can build systems you never thought were possible.
Credibility Quick Hits
Full-Stack Engineering Expert
Architect and integrate APIs across modern front-end, back-end, and automation systems.
Automation & API Integration Specialist
Expert in building, connecting, and automating systems using REST APIs, AI workflows, and third-party integrations.
Extensive Experience
10+ years in software engineering and technology education
Proven Educator
Instructor at multiple coding bootcamps having taught thousand of students
Multi-Business Entrepreneur
Running multiple successful businesses powered by automation
Simplification Master
Known for breaking down complex engineering topics… like APIs, integrations, and system design… into clear, actionable guidance.
What Is an API?
The Restaurant Analogy
Think of APIs like a restaurant experience. Understanding this simple analogy will unlock how every automation tool works.
You (the customer) tell the waiter what you want. You don't need to know how to cook — you just need to communicate your request clearly.
The waiter translates your request to the kitchen in their language. They know exactly how to communicate with the chefs.
The kitchen cooks your food using their expertise and equipment. All the complex work happens behind the scenes.
The waiter delivers it back to you, exactly as you requested. You enjoy the result without seeing the process.

API = the waiter | You (your automation) = the customer | The system (GHL, Sheets, Notion) = the kitchen
You don't see the kitchen or how the food is made. You simply make a clear request — and get what you asked for.
What Is an API?
The Hotel Analogy
You Ask
You approach the front desk and ask for fresh towels in your room
They Communicate
The front desk calls housekeeping with your specific request and room number
Service Fulfills
Housekeeping processes the request and prepares exactly what you need
You Receive
Fresh towels arrive at your door — you get what you asked for
You don't know how many steps happen behind the scenes — how many people were contacted, which systems were updated, or how the inventory was managed. You just ask and receive.
APIs work the same way: structured requests → structured responses. The complexity is hidden. The value is delivered.
How APIs Work
Every API involves the same simple flow, regardless of how complex the system is. Once you understand this pattern, you'll see it everywhere.
1
Request
You ask for something specific — data, an action, a creation
2
API Endpoint
The URL that receives the request and routes it to the right place
3
System Processing
The kitchen does the work — queries databases, runs calculations, performs actions
4
Response
You get structured data back, confirming what happened or delivering what you asked for
And all of this happens in milliseconds. APIs connect apps, share data, and allow automations to run 24/7 without human intervention. They're the invisible infrastructure powering every modern business tool you use.
What Is JSON?
APIs send back information in a format called JSON (JavaScript Object Notation). It sounds technical, but it's actually incredibly simple.
Think of JSON as a structured checklist. It's just organized text that computers can easily read and understand.
Example JSON:
{
  "name": "Captain Jay",
  "role": "Automation Builder",
  "favoriteColor": "Blue"
}
Plain English Translation:
  • Curly braces { } = container for information
  • Keys (like "name") = labels for the data
  • Values (like "Captain Jay") = the actual answers
  • Colons : = connect labels to answers
  • Commas , = separate different pieces of information

If you can read a checklist, you can read JSON. That's all it is — a standardized way to organize information so systems can talk to each other.
Demo: Fun API
Cat Facts API
Let's make your first API call! We're going to request a random cat fact from the internet. This simple example will show you exactly how APIs work in practice.
Open n8n
Launch n8n and create a new workflow in your workspace
Add HTTP Request Node
Click the plus button and search for "HTTP Request" to add it to your canvas
Configure the Request
Set Method to GET and paste the Cat Facts URL into the URL field
Execute
Click the "Execute Node" button and watch the magic happen
View JSON Response
See the structured JSON data appear with a random cat fact inside
This simple demonstration builds instant confidence. You just made an API call! The same pattern works for every API — from cat facts to customer data to AI responses. You're now officially an API user.
Demo: Affirmations API
Let's try another API to reinforce the pattern. This time we'll fetch a positive affirmation — perfect for building mindset apps, daily SMS messages, or motivational automation workflows.
Same Steps, Different Data:
  1. Open n8n → New Workflow
  1. Add "HTTP Request" node
  1. Method: GET
  1. Paste the Affirmations API URL
  1. Execute and view the response

Real-World Applications
This simple API call could power:
  • Daily motivational SMS messages
  • Slack bot morning affirmations
  • Email newsletter inspiration sections
  • Mobile app daily notifications
  • Social media auto-posting
Notice how the pattern is exactly the same as the Cat Facts API? That's the beauty of APIs — once you learn the pattern, you can use thousands of different services. Same technique, unlimited possibilities.
Demo: Weather API
Now let's try a more "serious" API that returns richer, more complex data. This Weather API provides real-time weather information including temperature, conditions, and forecasts.
Setup Steps:
  • Add HTTP Request node in n8n
  • Method: GET
  • Paste the weather URL
  • Execute the node
  • Explore the detailed JSON response
What You'll See:
The response includes detailed data like:
  • Current temperature in multiple units
  • Weather conditions and descriptions
  • Humidity and wind information
  • Multi-day forecast data
  • Sunrise and sunset times
This demonstrates an important point: it's still just a GET request — same pattern. Whether you're fetching a simple cat fact or complex weather data, the fundamental API mechanics remain identical. The only difference is the richness of the data you receive.
You can use this same approach to pull customer data, inventory levels, or analytics from any business system.
Demo: GoHighLevel — Create a Contact
Real Automation That Clients Pay For
Now we're going to create something truly valuable — a new contact in GoHighLevel using an API call. This is the foundation of lead automation, CRM integration, and what automation agency clients actually pay you to build.
1
API Endpoint
POST https://rest.gohighlevel.com/v1/contacts/
2
Headers Required
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
Accept: application/json
3
JSON Body
{
  "firstName": "API",
  "lastName": "Demo",
  "email": "[email protected]"
}
Steps in n8n:
1
Add HTTP Request Node
Create a new HTTP Request node in your n8n workflow canvas
2
Set Method to POST
Change the method from GET to POST since we're creating new data
3
Paste the URL
Enter the GoHighLevel contacts endpoint URL
4
Add Authentication Headers
Include your API key in the Authorization header
5
Add JSON Payload
Enter the contact information in the request body
6
Execute the Request
Click execute and watch the contact get created in real-time
7
Verify in GoHighLevel
Open GHL and see the new contact appear in your contacts list
"This is automation. This is what clients pay for."
You just created a contact in a CRM without touching the interface. Scale this across hundreds of leads, multiple systems, and complex workflows — that's the power of API automation.
The Value of Automation
What APIs Let You Do
Lead Management
Pull leads from multiple sources automatically and route them instantly
Contact Creation
Create contacts across CRMs without manual data entry
Pipeline Updates
Update sales pipelines based on customer actions and triggers
Deal Movement
Move deals through stages automatically based on behavior
Data Synchronization
Sync data between platforms in real-time with zero errors
Workflow Triggers
Trigger complex workflows based on specific events and conditions
AI Integration
Connect AI tools to CRMs for intelligent automation and responses
Reporting
Generate automated reports and analytics from multiple data sources
Notifications
Send smart notifications via email, SMS, or Slack based on triggers
APIs = the foundation of automation agencies
Every automation you build for clients relies on APIs working behind the scenes. Master this foundation, and you can build virtually any business automation your clients need.
Recap
What You've Learned Today
APIs connect apps
They're the invisible bridges allowing systems to communicate seamlessly
JSON is simple structured text
Just organized data that both humans and computers can read easily
GET = retrieve information
Use GET requests when you want to fetch data from a system
POST = create something
Use POST requests when you want to create new records or trigger actions
You used 4 APIs today
Cat Facts, Affirmations, Weather, and GoHighLevel — building real skills
You created a real GHL contact
That's actual automation that clients pay thousands of dollars for
You can use n8n to automate almost anything
The patterns you learned apply to thousands of business systems
You started this session as someone who might have been intimidated by APIs. You're ending it as someone who has actually used APIs to create real automation. That's not theory — that's practical, marketable skill.
You're ready to build automations that save time, increase revenue, and scale businesses.
Q&A: Let's Talk
Ask Me Anything
Whether you have questions about automation strategy, specific API implementations, workflow design, or how to apply what you've learned to your business — I'm here to help.
Topics I Can Help With:
  • Automation strategy and planning
  • API troubleshooting and debugging
  • Workflow optimization in n8n
  • GoHighLevel integrations
  • AI tool connections
  • Building your automation agency
  • Pricing automation services
  • Choosing the right tools for your needs
No question is too basic or too complex. That's what I'm here for — to help you confidently build the automations your business needs.
Beginner-Friendly APIs to Learn & Practice With
A safe, simple way to explore how APIs work
Fun & Easy APIs
Useful Real-World APIs
Beginner Browsing Resources
These APIs are simple, require little or no authentication, and let you quickly practice sending requests and reading JSON responses. They're perfect for building confidence!
APIs Every AI Automation Agency Should Know
High-impact tools your automations can build on
Payments & Commerce
These APIs power real automation workflows — lead management, CRM syncing, AI agents, SMS automation, email routing, payment workflows, and more. Mastering them allows you to build virtually any business solution.