Angular and url params

If you need add to angular project read url params, read this
https://tutorialedge.net/typescript/angular/angular-query-params-tutorial/

Polly in c#

I read some interesting doc, about retry connect in c#

https://alastaircrabtree.com/implementing-the-retry-pattern-using-polly/

https://www.jerriepelser.com/blog/retry-network-requests-with-polly/