From June 5, 2019, through the following 1 995 days, 7 availability checks of secure.cmax.americanexpress.com were conducted. Secure.cmax.americanexpress.com has received 7 successful responses (code 200) during all check attempts, with the most recent access occurring on October 20, 2024. As of November 21, 2024, no downtime events were found during inspections for secure.cmax.americanexpress.com. Based on the replies received, it is confirmed that there were no error responses as of November 21, 2024. Secure.cmax.americanexpress.com's reply time was 0.455 seconds on October 20, 2024, in contrast to an average of 0.143 seconds.