FastAPI in 30 Seconds: Your First Endpoint (Beginner Tutorial)

I promised this in my last video - here it is! Install FastAPI, create your first endpoint, see automatic documentation, and test it live in VS Code.
Complete beginner tutorial in under 4 minutes.

🎯 YOUR FIRST FASTAPI ENDPOINT:

Step 1: Create Virtual Environment
python -m venv venv
# Windows:
venv\Scripts\activate
# Mac/Linux:
source venv/bin/activate

Step 2: Install FastAPI
pip install fastapi uvicorn
Step 3: Create main.py

from fastapi import FastAPI
app = FastAPI()
@app.get("/")
def hello():
return {"message": "Hello from FastAPI!"}

Step 4: Run It
uvicorn main:app --reload

Step 5: Open Browser
http://127.0.0.1:8000/docs ← Automatic documentation!

✅ WHAT YOU JUST BUILT:

A working REST API with automatic docs
JSON responses without manual configuration
Interactive Swagger UI for testing
Foundation for AI-powered tools (next video!)

📹 NEXT VIDEO: "Building Your First AI Tool with FastAPI"
We'll connect OpenAI API and create a blog title generator that:

Takes any topic as input
Returns 10 SEO-optimised titles
Uses structured data validation
Handles errors gracefully
🛠️ TOOLS I USE FOR DEVELOPMENT:
🚀 Contabo – Affordable VPS hosting: https://ceeveeglobal.com/refer/contabo
🌐 Namecheap – Domain registration: https://ceeveeglobal.com/refer/namecheap
💻 DigitalOcean – Cloud hosting: https://ceeveeglobal.com/refer/digitalocean
🌟 Hostinger – Shared hosting: https://ceeveeglobal.com/refer/hostinger

📌 HELPFUL RESOURCES:

FastAPI Official Docs: https://fastapi.tiangolo.com
My Production API Tools: https://ceeveeglobal.com/tools/
All FastAPI Tutorials: https://ceeveeglobal.com/blog/
Python Download: https://python.org

❓ COMMON ISSUES & FIXES:
Problem: "pip: command not found"
Solution: Use pip3 instead of pip

Problem: "uvicorn: command not found"
Solution: Make sure venv is activated (you'll see "(venv)" in terminal)

Problem: "Port already in use"
Solution: Use different port: uvicorn main:app --reload --port 8001

Problem: Can't activate venv on Windows
Solution: Run: Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
💬 DROP A COMMENT IF:
✓ You got your API working! (let me celebrate with you)
✓ You're stuck somewhere (tell me the error, I'll help)
✓ You want to see a specific tool built next
📌 STAY CONNECTED:
🌐 Website: https://ceeveeglobal.com
🐦 Twitter: @dimuglobal
💼 LinkedIn: /in/dimuharshana

If you learned something from this video, please subscribe and hit that like button. Drop a comment below - your feedback helps me understand what you want to see next!

PS: Some links are affiliate links that support the channel at no cost to you. Thanks for your support! 🙏

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