KlarnaKlarna for businessMerchant supportMerchant portalMerchant portalMerchant portalFeatures & support | Intro to Merchant portal | Two-factor authentication (2FA)Features & supportWhat features are available in the Merchant portal?Intro to Merchant portalWhat is the Merchant portal?Two-factor authentication (2FA)Why do I need two-factor authentication (2FA) enabled?How do I disable two-factor authentication (2FA)?