Januar supports payments in DKK and EUR.
Any unsupported currency of a payin will automatically be converted to EUR.
Below is an overview table of which IBANS support which currencies and payment schemes / rails.
IBANS  | DK  | DE  | LU  | 
EUR SEPA Credit  | YES | YES | YES | 
EUR SEPA Instant  | YES | YES | YES | 
DKK Standardoverførsel (DKK Standard Payment)  | YES | NO | NO | 
DKK Straksoverførsel (DKK Instant Payment)  | NO | NO | NO | 
All IBANS support receiving of EUR payins.
Use the DK IBAN as the receiving IBAN for DKK payins.
The DK IBAN is always used as the payer IBAN for both EUR and DKK payouts, this is fixed and not customisable.