Trust signals
Pricing
FREEMIUM
Auth
OAUTH2
CORS
No
Rate limit
Tiered per-method rate limits
Health
354ms
Trust score
84 (B)
Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepageapi.slack.com
- Documentationapi.slack.com
- Base URLapi.slack.com/
Integration checklist
- Auth is OAUTH2
- No CORS — route calls through your backend.
- Rate limit: Tiered per-method rate limits