Zendesk Phased end-of-life of API tokens begins deprecation date
Starting July 28, 2026, Zendesk will begin a phased end-of-life process for API tokens.
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- Legacy *.ultimate.ai AI Agents API base URL deprecatedDeprecation
May 19, 2026 Deprecated AI Agents API base URL Starting July 1, 2026, the legacy *.ultimate.ai API base URL is deprecated.
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July 7, 2025 Breaking change Legacy custom objects Starting January 15, 2026, you will no longer be able to create new legacy custom objects or relationships.
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July 6, 2026 Breaking change IT Asset Management Assets API Starting August 6, 2026, the purchase_cost field on assets will change from a plain number to an object with amount and currency properties.
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Starting September 14, 2026, Zendesk will begin a phased end-of-life process for Help Center Templating API v1, v2, and v3.
- All remaining API tokens permanently deactivatedShutdown
On April 30, 2027, all remaining API tokens will be permanently deactivated.
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Sep 9, 2025 Deprecated Zendesk Sell Starting August 31, 2027, Zendesk Sell will be retired.