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Summary: Zendesk is removing API token authentication from its platform. Talkdesk customers using the Zendesk integration must migrate to OAuth by April 30, 2027. A one-time re-authorization step in Talkdesk Admin is required. Impacted customers: Customers with an active Talkdesk–Zendesk integration using API key authentication. |
What is changing and why
Zendesk is ending support for API token authentication platform-wide and moving to OAuth, the industry standard for secure, scoped API access. As a result, Talkdesk customers using the Zendesk integration will need to re-authorize their connection using OAuth. This change is driven entirely by Zendesk's platform-wide deprecation. OAuth provides better security than API tokens, including automatic expiration, more precise access control, and protection against credential compromise. More details on Zendesk's announcement are available here.
Impact & action required
- What is happening: After October 27, 2026, no new API tokens can be created. After April 30, 2027, all existing API tokens will stop working permanently.
- Products and features impacted: The Talkdesk–Zendesk integration, including Talkdesk Embedded and any workflows that rely on the connection between Talkdesk and Zendesk.
- Who is impacted: Customers using the Talkdesk–Zendesk integration that are still authenticated via API key (not yet migrated to OAuth).
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Action required: Beginning October 19, 2026, Talkdesk Admins must complete the following steps before April 30, 2027:
- Log into Builder -> Integrations -> Zendesk -> Migrate to OAuth -> Save & Authorize. This is a one-time step. The integration continues to work without any further changes once complete.
Already seeing errors? If your Zendesk integration stopped working, your API token may have been deactivated by Zendesk as part of their July 28, 2026 one-time cleanup (which deactivated tokens unused for 30+ consecutive days prior to that date). Follow the steps above to restore your connection immediately.
Time and duration
- October 19, 2026: OAuth authorization becomes available in Talkdesk Builder for Zendesk Integration.
- October 27, 2026: Zendesk blocks the creation of new API tokens, marking the Talkdesk deadline for all customers to create any Zendesk Account with API token.
- April 30, 2027: All remaining API tokens are permanently deactivated by Zendesk.
Resources
If you have any questions or concerns, please contact your Talkdesk representative or the Customer Care team via the Talkdesk Support Portal. Stay updated with important Talkdesk product alerts by subscribing to the Talkdesk Weekly Digest; see how here.