curl --request GET \
  --url https://nordicfinancialnews.com/api/v1/sources \
  --header 'Authorization: Bearer <token>'

{
  "sources": [
    {
      "id": "abc123def456",
      "name": "Dagens Industri",
      "domain": "di.se",
      "country": "SE"
    },
    {
      "id": "ghi789jkl012",
      "name": "Dagens Nyheter",
      "domain": "dn.se",
      "country": "SE"
    }
  ],
  "pagination": {
    "count": 2,
    "next_cursor": null
  }
}