How do you know when someone mutes your chat on iMessage?

Salsalahi wrote:

Is it possible for you to know if and when someone mutes or “Hides Alerts” for your chat on iMessage? And if so, how? Thank you

No.

Salsalahi wrote:

Is it possible for you to know if and when someone mutes or “Hides Alerts” for your chat on iMessage? And if so, how? Thank you

Only a guess, but maybe it would be when they no longer respond to you? This would differ from blocking your number. They would still receive your message, but not see an alert.