# The *.ultimate.ai API base URL is deprecated

Zendesk AI Agents API deprecated these calls without giving a shutdown date yet.

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

Call {subdomain}.zendesk.com/ai-agents/api instead.

- 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](https://developer.zendesk.com/api-reference/changelog/changelog/)
- Verified: October 27, 2026, against Zendesk AI Agents API's own pages
- Page: https://www.okapi.bot/providers/zendesk-ai-agents-api/breaking-changes/the-ultimate-ai-api-base-url-is-deprecated/

## 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.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent