curl --request GET \
  --url https://api.gameboost.com/v2/gift-cards/regions \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": 123,
      "code": "<string>",
      "name": "<string>",
      "slug": "<string>",
      "is_country": true
    }
  ]
}