Locales

The hosted checkout page and payment forms support the following language options:

en (for English)
de (for German)
fr (for French)
it (for Italian)
sv (for Swedish)
ru (for Russian)
fi (for Finnish)
pt (for Portuguese)
es (for Spanish)
pl (for Polish)
nl (for Dutch)
sr (for Serbian)
ro (for Romanian)
cs (for Czech)
hr (for Croatian)

note

The default language is en. On the hosted checkout page (created via the Checkout API), the language is selected from the customer's browser Accept-Language header when it matches a supported locale; otherwise English is used.