The IRS website has a link, "Get My Payment", that will let you confirm
--That IRS sent your second Economic Impact payment, also known as a stimulus payment
-- That IRS sent your first payment. Some people received their first Economic Impact Payment in partial payments. If you received partial payments, the application will show only the most recent.
-- Your payment type: direct deposit or mail.
To track your payment, go to https://www.irs.gov/coronavirus/get-my-payment.