Upon user request we have updated the response for GET / Couriers
[https://www.aftership.com/docs/api/4/couriers/get-couriers] API response to
return not just the couriers slug, name, phone, other_name, required_fields, we
also prove the origin countries service_from_country_iso3 (ISO-3166 three-letter
codes) where the couriers ship from.
Example - delhivery
service_from_country_iso3 is IND meaning it ships from India.
{
"slug": "delhivery",
"name": "Delhivery",
"phone": "+91 (124)