Slack connectors overview

Glean uses the Slack Real Time Search (RTS) API as the primary, Slack‑approved method to access messages at query time.

warning

Slack is phasing out older API patterns that underpin legacy indexing‑only Slack connectors. Slack has announced that it will begin rate‑limiting these legacy connectors after March 3, 2026.

Reference

Glossary

Key terms and definitions for Glean's Slack connectors and integrations

Changes

Slack connector changes

What connectors to setup and how to migrate existing custom instances

Gleanbot impacts and FAQ

How the Slack connector migration affects Gleanbot and answers to common questions