Some languages have a legacy code associated with them. Legacy codes are aliases that will be mapped to their corresponding Booking.com code before being saved. The legacy codes are supported in the following APIs:
Checkin Methods API Contracting API Key Collection API Opportunities API OTA_HotelDescriptiveContentNotif OTA_HotelInvNotif Booking.com code Language Legacy Code af Afrikaans ar Arabic az Azerbaijani be Belarusian bg Bulgarian ca Catalan cs Czech da Danish de German el Greek en-gb English (UK) en en-us English (American) xu es Spanish es-ar Spanish (Argentine) xa et Estonian fr French fi Finnish he Hebrew hi Hindi hr Croatian hu Hungarian id Indonesian is Icelandic it Italian ja Japanese km Khmer ko Korean lo Lao lt Lithuanian lv Latvian ms Malay nl Dutch no Norwegian pl Polish pt-br Portuguese (Brazilian) xb pt-pt Portuguese pt ro Romanian ru Russian sk Slovak sl Slovenian sr Serbian sv Swedish tl Tagalog th Thai tr Turkish uk Ukrainian vi Vietnamese yu Cantonese zh-cn Chinese (Simplified) zh zh-tw Chinese (Traditional) xt
Booking.com code Language br Berber cm Mandarin cn Montenegrin gn Guarani jv Javanese yu Cantonese