The link to MobilePay landing page is received in response to payment initiation as: redirectToMobilePayUrl. The language of the page is defined by the countryCode of the merchant the payment is initiated on behalf of.
Merchant countryCode is defined when creating a merchant with POST /api/v1/merchants
CountryCode can be either DK or FI. If countryCode is DK laungage on landing page will be Danish. If countryCode is FI language on landing page will be Finnish.