⚡ Live Sandbox: AI Dev Tool: FastAPI Pydantic v2 MicroSaaS

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```python
# AI Dev Tool: Cloudflare Worker Hono API Template with FastAPI and Pydantic v2
# Description: A production-ready starter boilerplate for building micro-SaaS applications
#               using Cloudflare Workers, Hono, FastAPI, and Pydantic v2.

import os
import json
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from typing import List, Dict
from cloudflare import Cloudflare

# Initialize the FastAPI application
app = FastAPI()

# Define the Pydantic model for the API request body
class RequestBody(BaseModel):
    """Request body model for the API"""
    name: str
    email: str

# Define the Pydantic model for the API response body
class ResponseBody(BaseModel):
    """Response body model for the API"""
    message: str

# Define the Cloudflare Worker configuration
cloudflare_config = {
    "account_id": os.environ.get("CLOUDFLARE_ACCOUNT_ID"),
    "api_token": os.environ.get("CLOUDFLARE_API_TOKEN"),
    "worker_name": os.environ.get("CLOUDFLARE_WORKER_NAME")
}

# Initialize the Cloudflare Worker client
cloudflare = Cloud

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