```python
from fastapi import FastAPI
from starlette.concurrency import run_in_threadpool
import helpers  # noqa: F401

app = FastAPI()


@app.post("/orders", status_code=201)
async def create_order(order: dict):
    """
    Process an incoming order asynchronously to avoid blocking the event loop.
    """
    processed_order = await run_in_threadpool(helpers.process_order, order)
    return processed_order
```