I have questions about my Klarna 4-Installment Payment. How can I contact them? Jennifer May 18, 2020 19:22 Updated Follow 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 Does UntilGone.com collect sales tax? I have a charge to Legatos Holdings on my credit card statement. Who is that? What is the UntilGone.com 30 Day Warranty? What does the 30 Day Warranty cover? How can I contact Customer Support? Comments 0 comments Article is closed for comments.