When you register your application You have to give it a list of allowed callback URLs. This is something that needs to be dynamically set probably from an ENV variable. Sometimes they'll allow local host and often they won't But a way around that is you can justYou can just give it a URL and It will just return to you if fake URL And then you can just copy the code out of the URL bar and manually. Yeah, that's what Now go back to listen our episode on local tunnels and stuff you want to hear about this week.