---
title: "Changes to Create dataset items from spans"
method: POST
path: "/v1/private/datasets/{dataset_id}/items/from-spans"
---

# Changes to Create dataset items from spans

`POST /v1/private/datasets/{dataset_id}/items/from-spans`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 82 revisions.

- **2026-09-21** `7e9b9ca95d8f`: 1 info

## Changes

- **2026-09-21** `7e9b9ca95d8f`: 1 info
  - added the new optional request property `field_mappings`

---

[Operation](https://skmtc.dev/comet-ml/apis/opik-rest-api/docs/v1/private/datasets/:dataset_id/items/from-spans/post.md) - [API](https://skmtc.dev/comet-ml/apis/opik-rest-api.md) - [Page](https://skmtc.dev/comet-ml/apis/opik-rest-api/changes/v1/private/datasets/:dataset_id/items/from-spans/post)