The tool allows users to verify when their payment is scheduled to be sent or when and how it was sent by the IRS. The IRS says the 'Get My Payment updates once a day, usually overnight.' Those expecting a stimulus payment can check the status of their funds using the Get My Payment tool at the IRS website. Man Says He's Missing Stimulus Checks Because IRS Thinks He's Dead.Extra Stimulus Check: How to Find Out if You'll Get a 'Plus-Up' Payment.California Stimulus Check Eligibility: Who Qualifies for $600 Payments.