Yes, you could pay directly on the IRS Direct Pay site, but it would run the potential of double charging your account.
If it has been more than 7 - 10 days after your return was accepted, call the IRS e-file Payment Services at 1-888-353-4537 and reach out to your state tax agency, if applicable.
For more information, see: When will my tax payment go through?
Since you have checked your bank account and your IRS account here: IRS: View Your Tax Account Information, to pay by the deadline, you would have to submit payment today.
To learn more, go to IRS Paying Your Taxes for options or see 2020 Form 1040 Instructions, page 62.
Payment options include:
@Vpharr89
