Slack Chat API CLI: all versions and old releases

Command-line interface for Slack Web API

2 versions of Slack Chat API CLI are listed here, from January 20, 2026 to the current 3.1.16. Each one links to the publisher’s own installer files.

Version	Date	Size	Files
3.1.16Latest	January 21, 2026	—	64-bit ZIP ARM64 ZIP
3.1.15	January 20, 2026	—	64-bit ZIP ARM64 ZIP

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