On the Build a Shopify app with Node and React example I have an error when try to install application, on the step Authenticate and test your app when I go to nrok + shopify route the web go to "The page you’re looking for couldn’t be found" but when reload the page show this error https://monosnap.com/file/FR6HPfjwACRY8RPVWa51pfTyBnVxXg
I followed the tutotial in detail but I have not been able to create the application, I will be grateful for the prompt response, regards
White listed url
From memory, the sample code produces the wrong URL. If you check the URL and set it to the correct white listed url then it all works.
i.e. when you see this. Look at the url.
I think just the start of the url is wrong, and you just need to delete it. I forget the fine details.
Also when you get the OAuth code back, as pointed by others, save it in your .env