Thank you for posting here in the Community, @Jonat.
To look for a good VPN, I suggest reaching out to an IT professional. They can suggest or set up a VPN for you.
You can also go to our Intuit Developer Forum to check with other developers. This is a separate place where you can get an answer from one of the experts handling API concerns.
Just let me know if you have any other concerns related to your QuickBooks account. The Community team is always here to help. Have a good one!