How do I wire a payment to vendor?

In which country is your vendor located?

The vendor is in the US and so is the Vendor.

Welcome to the Community, @joy49. I'll make sure you'll be able to wire a payment to vendor in QuickBooks Online (QBO).

When  you record a wire transfer depends on the purpose of the wire transfer. You can either record it as an expense Cash Expense feature, or as a deposit using the Bank Deposit feature. I'd be glad to show you how it's done.

If you want to record a transfer as an expense, here's how:
 

1. Click on + New.
2. Under Vendors, select Expense.
3. Specify a vendor or place of purchase in the Payee field (Optional).
4. From the Payment account dropdown, specify the bank account the wire was transferred from.
5. In the Payment date field, enter the date.
6. Select the Payment method.
7. Enter Wire Trans or WT in the Ref no. field.
8. Specify the expense Account that tracks the charges, or enter Accounts Payable if the transfer was for a bill.
9. Type in the Amount of the purchase.
10. Then, Select Save and close or Save and new.

For more information and a more detailed steps in recording wire transfer as a deposit, you can refer to this article: How to record a wire transfer in QuickBooks Online.

I've also included this as a future reference with managing your expenses and vendors: Enter expenses, pay bills, write checks, and manage suppliers in QuickBooks Online.

You can always post again if you have other questions or concerns with QuickBooks tasks and navigations. I'm always around to help you. Take care!