Head-to-Head Specification Audit
Slack vs Zendesk
Business Teams & Enterprises · Global
Specification Matrix
| Metric | Slack | Zendesk |
|---|---|---|
| Starting Price | $7.25/moBetter | $19/mo |
| API Rate Limit | 50 req/min | 200 req/minBetter |
| Target Country | Global | Global |
| Category | Team Communication | Customer Support |
| Compliance (vendor-stated) | GDPR, CCPA, SOC2, HIPAA | CCPA, GDPR, HIPAA, ISO27001, SOC2 |
| Hosting Regions | US-East, US-West, EU-West, AP-Southeast | US-East, EU-West, AP-Southeast, AU-East |
| Native Integrations | 8 listedBetter | 7 listed |
Slack — Key Specs
Vendor-stated- ✓Slack Connect allows real-time cross-company collaboration without email
- ✓Workflow Builder automates repetitive tasks with no-code triggers
- ✓Huddles and async video clips reduce unnecessary meetings
- ✓2,600+ app integrations via the Slack App Directory
Zendesk — Key Specs
Vendor-stated- ✓Omnichannel ticketing: email, chat, voice, WhatsApp, and social in one queue
- ✓AI-powered auto-reply resolves up to 30% of tickets without a human agent
- ✓CSAT scoring and SLA management built into all paid plans
- ✓Marketplace has 1,200+ certified integrations including Salesforce and Shopify
Frequently Asked Questions
Which is lower-priced, Slack or Zendesk?+
Slack starts at $7.25/mo, which is lower than Zendesk at $19/mo. Verify current pricing on each vendor's website.
Which compliance frameworks do Slack and Zendesk list?+
Both list GDPR, CCPA, SOC2, HIPAA in their vendor documentation. Zendesk additionally lists ISO27001. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Slack or Zendesk?+
Zendesk has a higher documented API rate limit at 200 req/min versus Slack at 50 req/min.
Which data hosting regions do Slack and Zendesk support?+
Slack lists hosting regions: US-East, US-West, EU-West, AP-Southeast. Zendesk lists hosting regions: US-East, EU-West, AP-Southeast, AU-East. For data residency requirements in Global, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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