Integrations on HipChat Cloud need to be able to access the host providing the integration in order to provide webhooks for slash commands. Unfortunately, that means the host cannot be behind a firewall / on an internal server.
In the tutorial for building an addon via node.js, you can see an example of using a service like ngrok to provide public access to an internal server. It's possible a similar setup would work for your case, although you would probably want a more robust setup for a long-running production setup.
All good things come to an end - thanks to all our customers and partners who have been along the Hipchat and Stride journey with us. As of Feb 15th 2019, Hipchat Cloud and Stride have reached ...
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