# /api/public/datasets/{}/runs stops working

Calls to /api/public/datasets/{}/runs* on Langfuse API stop working on November 16, 2026.

On November 16, 2026, the Langfuse API will remove /api/public/datasets/{}/runs*. After this date, calls to this endpoint will fail. Langfuse Cloud continues to serve these endpoints until the shutdown date.

- 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: `/api/public/datasets/{}/runs*`
- Source: [Announcement](https://langfuse.com/faq/all/deprecated-api-migration)
- Page: https://www.okapi.bot/providers/langfuse/breaking-changes/api-public-datasets-runs-stops-working/

## What to use instead

List experiments with GET /api/public/experiments, then read their items with GET /api/public/experiment-items. To remove a run's trace data, use DELETE /api/public/traces.

## Langfuse API's words

> Deprecated: Langfuse Cloud serves these endpoints until November 16, 2026 ( 2026-11-16 ) ; migrate to v4 before this date. GET /datasets/{datasetName}/runs