Hangfire is an open-source library for processing background tasks in. NET and ASP.NET Core applications. It provides a straightforward and effective method for performing long, time-consuming, or repetitive tasks outside the normal request-response cycle.

https://blog.devart.com/how-to-work-with-hangfire-in-asp-net-core.html#:~:text=Hangfire%20is%20an%20open%2Dsource,the%20normal%20request%2Dresponse%20cycle.