Let me direct you to the best help possible regarding why your account suddenly turned on and accepted the PayPal payment method.
With that in mind, I recommend contacting the QuickBooks Online (QBO) Care team. They will be able to pull up your account review the history of your transactions and explain the root cause of it. Here's how:
- Sign in to your QuickBooks Online company.
- Select Help (?).
- Select either tab to get started:
- Assistant: Get quick, personalized answers. Select a suggested option, or type a question or topic you need help with. If you decide you need further help, you can still Talk to a human.
- Search: Search the QuickBooks Online knowledge base directly, or select Contact Us and choose a way to connect with us:
- Start a chat with a support expert.
- Get a callback from the next available expert.
Furthermore, you can check out this article to record payments to connect them to the invoices to balance your accounts:
Record invoice payments in QuickBooks Online.
Click the Reply button below if you have additional questions about your payment methods. I'll be willing to lend a hand. Have a good one.
