https://developers.klarna.com/en
The «Netherlands» link leads straight to the «Invoice, Part payment and our Order handling system» documentation, there is no Klarna Checkout documentation.
So, whether Klarna Checkout available in Netherlands?

https://developers.klarna.com/en
The «Netherlands» link leads straight to the «Invoice, Part payment and our Order handling system» documentation, there is no Klarna Checkout documentation.
So, whether Klarna Checkout available in Netherlands?

I have got an answer from Klarna support:
Klarna Checkout it not available in the NL.