Zendesk
Free tierAI-powered service platform that delivers real resolutions, not just deflections
Free tier available·All audiences·Powered by Zendesk AI (proprietary, with Forethought integration)·API available
Key strengths
Self-improving AI agents powered by the Resolution Learning LoopOmnichannel support across messaging, voice, email, and live chat1,800+ marketplace integrations for extensibilityBuilt-in AI quality assurance scoring for 100% of interactionsScales from startups to enterprise without adding headcount
Free tier + paid plans
San Francisco, USA
Founded 2007
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Developer Setup & API Overview
REST API
Zendesk provides a comprehensive REST API for managing tickets, users, organizations, and AI configurations.
# Example: Fetch a list of tickets
curl https://{subdomain}.zendesk.com/api/v2/tickets.json \
-u {email}/token:{api_token} \
-H "Content-Type: application/json"
Key Integration Points
- Webhooks — Subscribe to ticket lifecycle events (created, updated, solved) for real-time downstream processing.
- Actions & Integrations Layer — Connect external CRMs, databases, and SaaS tools to trigger resolutions across unified data systems.
- AI Agent API — Programmatically configure AI agent personas, escalation paths, and knowledge sources.
- Marketplace SDK — Build and publish custom apps to Zendesk's 1,800+ app marketplace using the Apps Framework.
Key Parameters
| Parameter | Description |
|---|---|
ticket.status | new, open, pending, solved, closed |
assignee_id | Agent or group to route the ticket to |
tags | Array of string tags for routing and reporting |
via.channel | Source channel (email, chat, voice, api, etc.) |
Authentication
Supports API token auth, OAuth 2.0, and basic auth. Enterprise plans include SSO and SAML support.