zmb3
commented
8 years ago If you want to access private data, you must use either the "Authorization Code" flow, which requires that the user grant permission in a browser. There's no way around this.
This is actually mentioned in Spotify's FAQ. The best you can do is follow the flow to get the access token and refresh token once, and then after that you can refresh the token without using the browser.
Is there any way to do the authentication process completely inside go, without having to use an external browser for the login part? I could not find any working solution so far.