---
title: "Changes to Record experiment items in bulk"
method: PUT
path: "/v1/private/experiments/items/bulk"
---

# Changes to Record experiment items in bulk

`PUT /v1/private/experiments/items/bulk`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 6 of 67 revisions.

- **2026-07-02** `3144ea40dac0` — 2 info
- **2026-06-30** `20a1a33446d1` — 2 info
- **2026-06-19** `580e3bc69e8a` — 1 info
- **2026-06-12** `3c8b8cd609d5` — 1 info
- **2026-05-08** `b9100cf75dd3` — 2 info
- **2026-05-04** `d606e84c75e4` — 2 breaking, 6 warning

## Changes

- **2026-07-02** `3144ea40dac0` — 2 info
  - added the new `evaluator` enum value to the request property `items/items/spans/items/source`
  - added the new `evaluator` enum value to the request property `items/items/trace/source`
- **2026-06-30** `20a1a33446d1` — 2 info
  - added the new optional request property `items/items/feedback_scores/items/value_by_author/additionalProperties/author`
  - added the new optional request property `items/items/feedback_scores/items/value_by_author/additionalProperties/source_queue_id`
- **2026-06-19** `580e3bc69e8a` — 1 info
  - added the new optional request property `items/items/feedback_scores/items/source_queue_id`
- **2026-06-12** `3c8b8cd609d5` — 1 info
  - added the new optional request property `project_name`
- **2026-05-08** `b9100cf75dd3` — 2 info
  - added the new optional request property `items/items/spans/items/environment`
  - added the new optional request property `items/items/trace/environment`
- **2026-05-04** `d606e84c75e4` — 2 breaking, 6 warning
  - removed the enum value `evaluator` of the request property `items/items/spans/items/source`
  - removed the enum value `evaluator` of the request property `items/items/trace/source`
  - removed the request property `items/items/feedback_scores/items/source_queue_id`
  - removed the request property `items/items/feedback_scores/items/value_by_author/additionalProperties/author`
  - removed the request property `items/items/feedback_scores/items/value_by_author/additionalProperties/source_queue_id`
  - removed the request property `items/items/spans/items/environment`
  - removed the request property `items/items/trace/environment`
  - removed the request property `project_name`

---

[Operation](https://skmtc.dev/comet-ml/apis/opik-rest-api/docs/v1/private/experiments/items/bulk/put.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/experiments/items/bulk/put)