This project translates webhooks from Atlassian Statuspage for consumption by Slack Incoming WebHooks.
Feel free to make use of the live version deployed to Vercel: https://statuspage-slack.vercel.app/
The webpage at the deployed app describes all of the features, but basically:
All you have to do to use this service is to take your Slack webhook endpoint (which looks something like this):
https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX
And change the domain to match this application, like:
https://statuspage-slack.vercel.app/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX
... before feeding it into a Statuspage webhook subscription. This app doesn't maintain any state, so it just translates the Statuspage webhook content into a Slack message payload, and forwards it to the equivalent Slack endpoint.