Zendesk API · Endpoint removal
The Legacy Custom Objects relationships API stops working
Stopped working
Calls to /api/sunshine/relationships/* on Zendesk API stopped working on July 1, 2026.
What to use instead of these calls
Migrate to custom objects with lookup relationship fields (/api/v2/custom_objects/*).
Moving to the new custom objects means migrating the account's relationship types and records.
Calls it hits
/api/sunshine/relationships/*
Starting January 15, 2026, you will no longer be able to create new legacy custom objects or relationships. Zendesk will fully remove legacy custom objects in July 2026.
Facts
- API
- Zendesk API
*.zendesk.com - Kind
- Endpoint removal
- Announced
- July 7, 2025
- Takes effect
- July 1, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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