Connecting spotify to another service from a facebook-joined account

[blang]

I signed up for spotify with my facebook account and recently went premium. I want to use Spotify with my Dragon Assistant program, but it asks me to log in with a username and password, when I don't have these. What can I do?

[OviiiOne]

Hello and welcome to the Spotify Community!

Go to your profile in the desktop app, click the ... next to your profile picture and select copy Spotify URL if you paste it somewhere: 1155882017

In the community will appear your username (as you can see up here), if you paste it in a word or another place you'll see something like this: spotify:user:(your username)