get https://tophatter.com/merchant_api/v1/metadata/carrier_service_types.json
The ServiceTypes supported by each Carrier. If no ServiceType is specified when fulfilling an order with a given Carrier, the Default for that Carrier will be used.
The ServiceTypes supported by each Carrier. If no ServiceType is specified when fulfilling an order with a given Carrier, the Default for that Carrier will be used.