curl --request GET \
  --url https://staging.api.commercengine.io/api/v1/{store_id}/storefront/common/countries/{country_iso_code}/states \
  --header 'Authorization: Bearer <token>'

{
  "message": "<string>",
  "success": true,
  "content": {
    "states": [
      {
        "id": "<string>",
        "name": "<string>",
        "iso_code": "<string>",
        "gst_code": "<string>",
        "state_alias": "<string>"
      }
    ]
  }
}