---
title: "Changes to Upload Examples From Csv"
method: POST
path: "/api/v1/examples/upload/{dataset_id}"
---

# Changes to Upload Examples From Csv

`POST /api/v1/examples/upload/{dataset_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 77 revisions.

- **2026-10-16** `1a8ee9358d81`: 4 breaking, 4 info

## Changes

- **2026-10-16** `1a8ee9358d81`: 4 breaking, 4 info
  - the `detail/items/` response's property type changed from `object` to `string` for status `422`
  - removed the required property `detail/items/loc` from the response with the `422` status
  - removed the required property `detail/items/msg` from the response with the `422` status
  - removed the required property `detail/items/type` from the response with the `422` status
  - added the optional property `items/source_run_start_time` to the response with the `200` status
  - added the optional property `items/source_session_id` to the response with the `200` status
  - added the optional property `items/source_thread_id` to the response with the `200` status
  - added the optional property `items/source_trace_id` to the response with the `200` status

---

[Operation](https://skmtc.dev/langchain-ai/apis/langsmith/docs/api/v1/examples/upload/:dataset_id/post.md) - [API](https://skmtc.dev/langchain-ai/apis/langsmith.md) - [Page](https://skmtc.dev/langchain-ai/apis/langsmith/changes/api/v1/examples/upload/:dataset_id/post)