# GET /api/public/observations stops working

Calls to GET /api/public/observations* on Langfuse API stop working on November 16, 2026.

On November 16, 2026, GET /api/public/observations* will stop working on cloud.langfuse.com. Requests to these endpoints will fail after this date, as Langfuse Cloud serves them only until November 16, 2026.

- API: Langfuse API (cloud.langfuse.com)
- Kind: Endpoint removal
- Announced: August 17, 2026
- Takes effect: November 16, 2026
- Calls after that day: fail
- Calls it hits: `GET /api/public/observations*`
- Source: [Announcement](https://langfuse.com/faq/all/deprecated-api-migration)
- Page: https://www.okapi.bot/providers/langfuse/breaking-changes/get-api-public-observations-stops-working/

## What to use instead

Call GET /api/public/v2/observations instead, specifying fromStartTime/toStartTime, the field groups you need, and cursor pagination. You must also parse input/output yourself.

## Langfuse API's words

> Deprecated: GET /observations , GET /observations/{observationId} . Langfuse Cloud serves these endpoints until November 16, 2026
