---
title: "Changes to Cancel Bulk Export"
method: PATCH
path: "/api/v1/bulk-exports/{bulk_export_id}"
---

# Changes to Cancel Bulk Export

`PATCH /api/v1/bulk-exports/{bulk_export_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 48 revisions.

- **2026-05-27** `a0acb3a6a101` — 2 breaking, 1 info

## Changes

- **2026-05-27** `a0acb3a6a101` — 2 breaking, 1 info
  - the response property `session_id` became optional for the status `200`
  - response property `session_id` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - added the optional property `all_experiments` to the response with the `200` status

---

[Operation](https://skmtc.dev/langchain-ai/apis/langsmith/docs/api/v1/bulk-exports/:bulk_export_id/patch.md) · [API](https://skmtc.dev/langchain-ai/apis/langsmith.md) · [Page](https://skmtc.dev/langchain-ai/apis/langsmith/changes/api/v1/bulk-exports/:bulk_export_id/patch)