Langfuse API · Endpoint removal
GET /api/public/traces stops working
Stops working (in 24 days)
On November 16, 2026, the provider will retire GET /api/public/traces*. Calls to these endpoints will fail after that date, as Langfuse Cloud serves them only until November 16, 2026.
What to use instead of these calls
Call GET /api/public/v2/observations filtered by traceId (or traceName) and group the rows by traceId. Retrieve aggregates through GET /api/public/v2/metrics instead.
Calls it hits
GET /api/public/traces*
Deprecated: GET /traces , GET /traces/{traceId} . Langfuse Cloud serves this endpoint until November 16, 2026
Facts
- API
- Langfuse API
cloud.langfuse.com - Kind
- Endpoint removal
- Announced
- August 17, 2026
- Takes effect
- November 16, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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