curl --location --request GET 'https://demo.myshopify.com//admin/api//carrier_services/.json'
{
"carrier_service": {
"id": 1036894954,
"name": "Purolator",
"active": true,
"service_discovery": true,
"carrier_service_type": "api",
"admin_graphql_api_id": "gid://shopify/DeliveryCarrierService/1036894954",
"format": "json",
"callback_url": "http://example.com/"
}
}