Zendesk AI Agents (formerly Ultimate.ai)
Free tierSelf-improving AI agents for customer service that learn from every resolution
Free tier available·All audiences·Powered by Zendesk (proprietary AI)·API available
Key strengths
Resolution Learning Loop that continuously self-improves from every interactionOmnichannel support across messaging, email, voice, and third-party platformsNo-code natural language workflow building — no rigid scripts requiredBuilt-in automated QA to audit every AI interaction at scaleDeep integration with existing systems including legacy environments
Free tier + paid plans
San Francisco, USA
Founded 2017
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Developer & Technical Setup
API & Integration
Zendesk AI Agents expose a robust API layer that allows developers to orchestrate actions across any system — including legacy environments — without requiring migration to a new platform.
# Example: Trigger an AI agent action via Zendesk API
curl -X POST https://yoursubdomain.zendesk.com/api/v2/tickets \
-H "Authorization: Bearer {API_TOKEN}" \
-H "Content-Type: application/json" \
-d '{"ticket": {"subject": "Refund Request", "comment": {"body": "I need a refund for order #12345"}}}'
Key Technical Capabilities
- Natural Language Procedure Generation — Describe workflows in plain text; the system generates executable multi-step procedures dynamically, no rigid scripting required.
- Knowledge Grounding — Agents are grounded in unified knowledge from Help Center articles, Google Drive, and uploaded PDFs, keeping answers aligned as policies evolve.
- System Orchestration — Connect agents to CRMs, ERPs, e-commerce platforms, and legacy systems via Zendesk's Actions & Integrations layer or custom API calls.
- Forethought Integration — Deploy self-improving agents directly onto your existing service platform (non-Zendesk) using the Zendesk + Forethought stack.
- Automated QA — Every interaction is automatically scored; developers can set policy guardrails and retrieve QA audit data programmatically.
- Omnichannel Deployment — Single configuration supports messaging (web/mobile/social), email threading, and full voice call flows with intent tracking across turns.
Alternatives
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