curl --request GET \
  --url https://api.recoupable.com/api/spotify/artist/ \
  --header 'Authorization: Bearer <token>'

{
  "artist": {
    "external_urls": {
      "spotify": "<string>"
    },
    "followers": {
      "href": "<string>",
      "total": 123
    },
    "genres": [
      "<string>"
    ],
    "href": "<string>",
    "id": "<string>",
    "images": [
      {
        "url": "<string>",
        "height": 123,
        "width": 123
      }
    ],
    "name": "<string>",
    "popularity": 123,
    "type": "artist",
    "uri": "<string>"
  },
  "error": {}
}