81624 error code

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Hello, @bfrench1.

I understand what you feel when you've encountered this error in QuickBooks Online. I'm here to share some information so you'll be able to get back to business in no time.

Error Code 81624 means that the payment authorization failed. This usually occurs when a bank blocks or validates a payment transaction.

Since you'll want to coordinate with our QBO Support Team, here's how you can get in touch with them:

1. Click the Help (?) icon at the top.
2. Select Contact Us.
3. Enter your issue or question, then select Continue.
4. Review and Select from the following: Ask the community, Start a live chat, or Call us.
   
   
    

You can check our available hours when contacting support to ensure we address your concern promptly.
 

They have equipped tools to have a screen-sharing session to look further into your account and give possible fixes.

To add up, you can always visit this article which provides insights about updating your billing details in the system: Manage billing, payment, and subscription info in QuickBooks Online.

Know that I'll be here to assist you further if you need anything else when managing your account. Take care always!