---
title: "Changes to Create Bulk Export"
method: POST
path: "/api/v1/bulk-exports"
---

# Changes to Create Bulk Export

`POST /api/v1/bulk-exports`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 48 revisions.

- **2026-05-27** `a0acb3a6a101` — 2 breaking, 4 info

## Changes

- **2026-05-27** `a0acb3a6a101` — 2 breaking, 4 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 new optional request property `all_experiments`
  - the request property `session_id` became optional
  - request property `session_id` list-of-types was widened by adding types `null` to media type `application/json`
  - 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/post.md) · [API](https://skmtc.dev/langchain-ai/apis/langsmith.md) · [Page](https://skmtc.dev/langchain-ai/apis/langsmith/changes/api/v1/bulk-exports/post)