---
title: "Create a new empty dataset"
method: POST
path: "/v1/observability/datasets"
tags: ["beta.observability.datasets"]
---

# Create a new empty dataset

`POST /v1/observability/datasets`

Create a new empty dataset

## Request body

- CreateDatasetRequest
  - `name` string, required
  - `description` string, required

## Response `201`

Successful Response

- Dataset
  - `id` string, uuid, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `deleted_at` string, date-time, nullable, required
  - `name` string, required
  - `description` string, required
  - `owner_id` string, uuid, required
  - `workspace_id` string, uuid, required

## Other responses

- `400` — Bad Request - Invalid request parameters or data
- `404` — Not Found - Resource does not exist
- `408` — Request Timeout - Operation timed out
- `409` — Conflict - Resource conflict
- `422` — Unprocessable Entity - Validation error

## Changes

- **2026-09-23** `fa73befe1c61` — 30 warning, 35 info
  - added the new `EVALUATION_RUN_OUTPUT_RECORD_CONFLICT` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `400`
  - added the new `EVALUATION_RUN_OUTPUT_RECORD_CONFLICT` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `404`
  - added the new `EVALUATION_RUN_OUTPUT_RECORD_CONFLICT` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `408`
  - added the new `EVALUATION_RUN_OUTPUT_RECORD_CONFLICT` enum value to the `detail/error_code/anyOf[subschema #1: ObservabilityErrorCode]/` response property for the response status `409`
  - …61 more
- …earlier changes not shown

[Full history](https://skmtc.dev/mistral/apis/mistral-ai-api/changes/v1/observability/datasets/post.md)

---

[API](https://skmtc.dev/mistral/apis/mistral-ai-api.md) · [All operations](https://skmtc.dev/mistral/apis/mistral-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/mistral/apis/mistral-ai-api/revisions/fa73befe1c61?raw)