Hi, I have set up a standalone app, easy.
But… I have to set the authentication for the 3-legged OAuth (for the callback url and the website url), but where to do that?
On the dashboard, https://developer.twitter.com/en/portal/projects-and-apps in one of your apps, Authentication settings “Edit” button, and there should be a “Enable 3-legged OAuth” switch that enables the Callback URL field.
It doesn’t look like it. Yes, there is the switch to enable the 3-legged OAuth. That switch is on.
But I used to be able to configure the authentication, i.e. setting the callback url and the website url.
Now I cannot, and when testing the Login with Twitter, it returns the following error: “Error: Unexpected response: Callback URL not approved for this client application. Approved callback URLs can be adjusted in your application settings”
Question is: where to configure these settings?
It might be an issue with your browser? (I use chrome and it works) i’ve seen other people complain about this too. I see this:
On the App Settings page:

when i “edit”:
(i think the website url doesn’t actually matter and is purely cosmetic, only the callback url matters)
Usually the devil is in the details… Also in this case. I did not set the callback to the login mask… It’s working now.
Thanks for your help.
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