I have questions about my Klarna 4-Installment Payment. How can I contact them? May 16, 2022 22:09 Updated Klarna has provided searchable FAQs here: https://www.klarna.com/us/customer-service/ You can find their contact information by scrolling to the bottom of their FAQ page. Related articles Welcome to Pick Your Plum! How can I get a refund for my order?