Langfuse API
GET /api/public/sessions* endpoint removal
Stops workingSubscribe to Langfuse APIShare
On November 16, 2026, calls to GET /api/public/sessions* will stop working. Langfuse Cloud serves this endpoint until that date, after which requests to it will fail.
Calls it hits
GET /api/public/sessions*
What to use instead of these calls
Call GET /api/public/v2/observations with a filter on the sessionId column and group the rows by sessionId instead.
In Langfuse API's words
Deprecated: GET /sessions , GET /sessions/{sessionId} . 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
- Verified
- , against Langfuse API's own pages
Questions
When does this change take effect?
Calls to GET /api/public/sessions* on Langfuse API stop working on November 16, 2026.
What happens to calls after November 16, 2026?
They fail from that day.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before November 16, 2026.