---
title: "Changes to Patch dataset"
method: PATCH
path: "/v1/observability/datasets/{dataset_id}"
---

# Changes to Patch dataset

`PATCH /v1/observability/datasets/{dataset_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-08-14** `61436a496404` — 5 warning

## Changes

- **2026-08-14** `61436a496404` — 5 warning
  - added the new `OPTIMIZATION_TRIAL_KEY_ALREADY_EXISTS` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `400`
  - added the new `OPTIMIZATION_TRIAL_KEY_ALREADY_EXISTS` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `404`
  - added the new `OPTIMIZATION_TRIAL_KEY_ALREADY_EXISTS` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `408`
  - added the new `OPTIMIZATION_TRIAL_KEY_ALREADY_EXISTS` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `409`
  - added the new `OPTIMIZATION_TRIAL_KEY_ALREADY_EXISTS` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `422`

---

[Operation](https://skmtc.dev/mistral/apis/mistral-ai-api/docs/v1/observability/datasets/:dataset_id/patch.md) · [API](https://skmtc.dev/mistral/apis/mistral-ai-api.md) · [Page](https://skmtc.dev/mistral/apis/mistral-ai-api/changes/v1/observability/datasets/:dataset_id/patch)