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Python - FastAPI Simple Example

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FastAPI Simple Example

Code Properties

  • Language: Python
  • Packages: fastapi, pydantic

Overview

FastAPI is a modern, fast web framework for building APIs with Python. It leverages Python type hints for automatic data validation and API documentation.

Key Features:

  • Automatic Data Validation: Using Pydantic models for type checking
  • Elegant Dependency Injection: Intuitive dependency management
  • Built-In Documentation: Auto-generated Swagger/OpenAPI docs

Code

from fastapi import FastAPI, Depends
from pydantic import BaseModel
 
class Item(BaseModel):
    name: str
    price: float
 
app = FastAPI()
 
@app.post("/items/")
async def create_item(item: Item):
    return {"message": f"Item '{item.name}' created!"}

Usage

# install dependencies
pip install fastapi uvicorn
 
# run the server
uvicorn main:app --reload
 
# access docs at http://127.0.0.1:8000/docs
# additional endpoints
@app.get("/items/{item_id}")
async def read_item(item_id: int, q: str = None):
    return {"item_id": item_id, "q": q}
 
@app.get("/")
async def root():
    return {"message": "Hello World"}

Appendix

Note created on 2024-04-15 and last modified on 2024-12-31.

See Also

(c) No Clocks, LLC | 2024

Python - FastAPI Simple Example

Code Properties

  • Language:
  • Packages:

Overview

Sources:

  • Source URL or reference

Description of this code snippet/script/module.

Code

# code goes here

Usage

How to use this code:

# usage example

Notes

Additional notes about the code.

Appendix

Note created on 2025-12-31 and last modified on 2025-12-31.

See Also

(c) No Clocks, LLC | 2025

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