⚡ Live Sandbox: AI Dev Tool: Hono Cloudflare Workers (r4w5)

📝 Editable Code Sandbox

```python
# AI Dev Tool: Cloudflare Worker Hono API Template with FastAPI and Pydantic v2
# ==============================================================================
# This is 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 Optional
from cloudflare import Worker, D1

# Initialize the FastAPI application
app = FastAPI()

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

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

# Initialize the Cloudflare Worker
worker = Worker()

# Initialize the D1 database
d1 = D1()

# Define the API endpoint
@app.post("/api/submit", response_model=ResponseBody)
async def submit(request_body: RequestBody):
    """
    API endpoint to submit a request.

Args:
    - request_body (

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