The way I'd approach this would be something like this: - Set up a cron job to check the real-time API for changes to your referrers - when a new referrer is

The way I'd approach this would be something like this: - Set up a cron job to check the real-time API for changes to your referrers - when a new referrer is detected, talk to Slack via their WebHooks integration service You could use Google's App Engine (and Scheduled Tasks with Cron for Python) for the cron job, https://cloud.google.com/appengine/docs/python/config/cron https://cloud.google.com/appengine/docs/python/config/cron Read more about the WebHooks integration service here: https://slack.com/services/new/incoming-webhook https://slack.com/services/new/incoming-webhook