Amazon Is Fixing an AWS Billing Bug That Showed Some Customers Owed Billions

Some AWS customers saw surprise bill estimates on Friday claiming they owed Amazon millions or billions of dollars for cloud services. Amazon confirmed it was working to resolve a bug in the Amazon Web Services billing portal. The affected estimates included charges for services customers had not used, according to TechCrunch’s report.

Amazon said the inaccurate billing estimates “do not reflect actual usage and charges.” That is the key takeaway for customers who saw extreme figures in the portal: the displayed amounts were presented as erroneous estimates, not confirmed usage-based bills. Customers should still monitor their AWS billing portal and account status while Amazon works through the issue.

Amazon said it began seeing inaccurate billing data as of late Thursday. By Friday morning, the company said a rollback of a recent change had not resolved the issue. Amazon said the change related to its billing computation subsystem.

Billing glitches can create confusion for teams that rely on automated alerts, usage thresholds, and account controls. TechCrunch reported that Amazon did not say whether any AWS accounts had been suspended or paused because of the issue. For now, the practical move is to treat abnormal AWS billing estimates cautiously, compare them with actual usage, and watch for updates from Amazon.