curl --location --request GET 'https://demo.myshopify.com//admin/api//countries//provinces/.json'
{
"province": {
"id": 224293623,
"country_id": 879921427,
"name": "Quebec",
"code": "QC",
"tax_name": "HST",
"tax_type": "compounded",
"shipping_zone_id": null,
"tax": 0.09,
"tax_percentage": 9
}
}