Regions are geographical areas arranged in a tree-like structure with “Earth” being the root region. Countries are regions with a non-empty country_code. Carriers can offer their services in any region. Shipment addresses should always contain a country_code and a region_code from a region defined as a country.
For an example request and response, check our API specification:
You can filter the regions on a parent, country_code, region_code and name. If you add these filters the request would look something like this: