The *.ultimate.ai API base URL is deprecated
Zendesk AI Agents API
Deprecated, no date
The legacy *.ultimate.ai API base URL has been deprecated without a shutdown date. Calls made to this base URL will fail. Requests will need to target the updated domain to continue functioning.
What to use instead of these calls
Call {subdomain}.zendesk.com/ai-agents/api instead.
In Zendesk AI Agents API's words
Starting July 1, 2026, the legacy *.ultimate.ai API base URL is deprecated. Use the {subdomain}.zendesk.com/ai-agents/api API base URL instead.
Facts
- API
- Zendesk AI Agents API
*.ultimate.ai - Kind
- Endpoint removal
- Announced
- May 19, 2026
- Takes effect
- No date given yet
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
- Verified
- , against Zendesk AI Agents API's own pages
Questions
When does this change take effect?
Zendesk AI Agents API deprecated these calls without giving a shutdown date yet.
Do these calls still work?
Yes, they still work: Zendesk AI Agents API has not given a shutdown date yet.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix.