Slack to Google PubSub in minutes

Slack
Slack is an instant messaging program designed by Slack Technologies. Although Slack was developed for professional and organizational communications, it has also been adopted as a community platform. Slack's API gives access for developers to create custom apps, workflows, and share data two-way.

Google PubSub
Ingest events into Pub/Sub to stream to BigQuery, data lakes and databases; messaging middleware for streaming analytics and service integrations