Hello there, Hanne.
Please know that QuickBooks Online relies on PayPal, which may prompt you to verify your identity. You can adjust settings to enable or disable extra verification steps. If you're unsure how to disable this feature, you can contact PayPal's support team.
In addition, you can check out this article to know the most frequently asked questions about PayPal: Connect to PayPal FAQ.
Let me know if you have further questions about managing your access in QuickBooks Online. We're here to assist you 24/7.
