---
title: "Get evaluation dataset"
method: GET
path: "/v1/retrievers/evaluations/datasets/{dataset_identifier}"
tags: ["Retriever Evaluations"]
---

# Get evaluation dataset

`GET /v1/retrievers/evaluations/datasets/{dataset_identifier}`

Retrieve a specific dataset by ID or name

## Path parameters

- `dataset_identifier` string, required

## Response `200`

Successful Response

- EvaluationDataset — Complete evaluation dataset with metadata. An evaluation dataset is a collection of queries with ground truth relevance labels, used to measure retriever quality.
  - `dataset_id` string, required — Unique dataset identifier
  - `dataset_name` string, required — Human-readable dataset name
  - `description` string, nullable — Dataset description
  - `queries` GroundTruthQuery[], required — List of queries with ground truth
    - `query_id` string, required — Unique identifier for this query within the dataset
    - `query_input` object, required — Query input in the same format as retriever execution (e.g., {'text': '...'})
    - `relevant_documents` string[], required — List of feature_ids that are relevant for this query
    - `relevance_scores` object, nullable — Optional graded relevance scores (doc_id -> score, 0-5 where 5 is most relevant). Used for NDCG calculation.
  - `created_at` string, date-time, required — When dataset was created
  - `updated_at` string, date-time, required — Last update timestamp
  - `namespace_id` string, required — Namespace this dataset belongs to
  - `internal_id` string, required — Internal organization ID
  - `query_count` integer, required — Number of queries in dataset
  - `metadata` object, nullable — Additional metadata (e.g., labeling instructions, version info)

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Validation Error
- `500` — Internal Server Error

---

[API](https://skmtc.net/mixpeek/apis/mixpeek-api.md) · [All operations](https://skmtc.net/mixpeek/apis/mixpeek-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/mixpeek/mixpeek-api/revisions/220a3b263fda/schema)