from starlette.exceptions import HTTPException as StarletteHTTPException
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@app.exception_handler(StarletteHTTPException)
async def http_exception_handler(request: Request, exc: StarletteHTTPException):
    if exc.status_code == 404:
        endpoint = request.url.path

        return JSONResponse(
            status_code=404,
            content={
                "error": f"Endpoint '{endpoint}' does not exist, use /docs to see available endpoints.",
                "status": 404,
            },
        )

    # fallback for other HTTP errors
    return JSONResponse(
        status_code=exc.status_code,
        content={"error": exc.detail},
    )