Skip to content

Background Tasks API

from justapi import BackgroundTasks
Method Description
tasks.add_task(func, *args, **kwargs) Register a function to run after the response
Parameter Type Description
func callable Function to execute in the background
*args any Positional arguments for the function
**kwargs any Keyword arguments for the function

Tasks are executed in registration order after the response is sent. If a task raises an exception, it’s logged but subsequent tasks still execute.

@app.post("/submit")
def submit(request, tasks: BackgroundTasks):
tasks.add_task(send_email, "user@example.com", subject="Welcome")
return {"message": "Submitted"}
import asyncio
async def process_async(data: dict):
await asyncio.sleep(1)
print(f"Processed: {data}")
@app.post("/process")
async def process(request, tasks: BackgroundTasks):
tasks.add_task(process_async, {"id": 1})
return {"status": "processing"}