Hipchat has been phased out for a while now, no?
Atlassian replaced it with Slack which was just bought by Salesforce, so who knows maybe they will revive Hipchat now.
Not before migrating to their own Hipchat successor / Slack clone, Stride, which was infinitely worse than both in every way. The product and IP was sold to Slack for, rumour has it, $1.