Hi Folks, I have some cases to share and need to check for the condition. We've found the customer's issue with unsuccessful authentication because They set the time faster than usual by +15 minutes. So it makes an API call return status 400 bad request (token issue). Except if they set the time lower than 10 minutes authentication will be successful. I think this problem may be related to the request challenge expiration because we set it to 10 minutes. What do you think? Is it possible to relate or not?