MultipleParameters.py

from fastapi import FastAPI, Query, Path
from fastapi.middleware.cors import CORSMiddleware
import nest_asyncio
from pyngrok import ngrok
import uvicorn
from pydantic import BaseModel

app = FastAPI()

app.add_middleware(
    CORSMiddleware,
    allow_origins=['*'],
    allow_credentials=True,
    allow_methods=['*'],
    allow_headers=['*'],
)

@app.get('/')
async def root():
    return {'hello': 'world'}

class Item(BaseModel):
    name: str
    description: str = None
    price: float
    tax: float = None

async def update_item(
    *,
    item_id: int = Path(..., title="The ID of the item to get", ge=0, le=1000), # Path Parameter
    q: str = None, # Query Paramter
    item: Item = None, # Request Body
):
    results = {"item_id": item_id}
    if q:
        results.update({"q": q})
    if item:
        results.update({"item": item})
    return results


ngrok_tunnel = ngrok.connect(8000)
print('Public URL:', ngrok_tunnel.public_url)
nest_asyncio.apply()
uvicorn.run(app, port=8000)