Looking at the records, amex.co was tested for operability 1 times over the 1 278 days starting June 1, 2021. Amex.co was up 1 times during the course of the testing, with the most recent uptime occurring on June 1, 2021, responding with a code 200. All testing of amex.co as of December 1, 2024, found no instances of inoperability. Based on the replies, there were no indications of errors in any of the responses as of December 1, 2024. The 2.028 seconds average contrasted amex.co's 2.028 seconds response on June 1, 2021.