Please be advised that the TLS certificate for the check21.com domain was successfully updated today, August 8, at 7:45 PM EST. This standard security update ensures uninterrupted, secure connectivity for all services.
Posted Aug 09, 2026 - 03:15 UTC
This incident affected: Check21.com Payment Gateway APIs (Check21.com Payment Submission API, Check21.com Payment and Customer Update API, Check21.com Payment Status Verification API) and Management Portal, Image Processing APIs.