This isn't how things should work for you, Taxplanet. I appreciate you reaching out to us and letting us know about the invoice pay button not working. I'm here to help you and make sure you have all the information you need.

Let's start by refreshing your Merchant Service account connection with QuickBooks Desktop (QBDT) by disconnecting and reconnecting it. This step will help us ensure your account is fully integrated with QuickBooks, allowing for seamless transaction processing and data synchronization.

Here's how to disconnect your account:

1. Go to Edit and select Preferences.
2. Select the Payments menu.
3. Disconnect the Merchant Service account and follow the prompts or confirmations to complete the process.

Next, please reconnect your account and use the Make Merchant Service Deposits link once more.

If the issue persists, create a sample invoice and send it to yourself. This will help us diagnose the problem, as changes to your settings and company file can affect the pay button feature. I'll walk you through this process step-by-step below.

1. Go to the Customers menu and select Create Invoices.
2. Select the customer from the Customer: Job dropdown.
3. Next to Your customer can pay online using, review the online payment options available.
4. Untick and tick the boxes of your online payment choice and fill out the rest of the invoice.
5. Select the Email dropdown, then select Invoice. Ensure that you use your email for the sample invoice.
6. Review the invoice message. Click Send.

After completing these steps, check if you've received an email with a working pay button. I suggest contacting our QuickBooks Payments support again. They have the tools to verify your account securely and guide you further.

We value your input and are here to support you every step of the way. If you need additional assistance in managing payments from customers, please don’t hesitate to reach out. Your success is our priority, and we’re committed to ensuring you have the best experience possible with QBDT.