Language setup
How do we detect your customer's language?
In order:
1) We check whether we have the language indicated in the order information. The order.language_code field indicates the language to be displayed (list of available languages here).
2) If 1 is not available, we will use the language of the destination country (shipping_address.country_code field).
3) If 1 and 2 are not possible or we do not yet support a language in Shipup, we will send the notification in the default language specified in your Shipup account settings.