Slack API

Build bots and integrations in Slack.

Slack API allows bots, commands, and apps to interact with users, send messages, and access channels and user information programmatically.

Category: Communication

Pricing: Free for Slack free workspaces; advanced features require paid plan

Free Tier Available: Yes

Tags: Bot Messaging Notifications

Authentication: OAuth 2.0

HTTPS: Yes

Type: RPC

Data Format: JSON

Version: v1 (non-strict versioning)

Rate Limits: Tiered: 1 - 100 req/min by method; chat.postMessage and others have unique limits

Access Type: Public