curl --request GET \
  --url https://api.mixpeek.com/v1/retrievers/{retriever_id}/evaluations \
  --header 'Authorization: Bearer <token>'

{
  "evaluations": [
    {
      "evaluation_id": "<string>",
      "retriever_id": "<string>",
      "dataset_id": "<string>",
      "dataset_name": "<string>",
      "config": {
        "k_values": [
          1,
          5,
          10,
          20
        ],
        "metrics": [
          "precision",
          "recall",
          "f1",
          "map",
          "ndcg",
          "mrr"
        ]
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "namespace_id": "<string>",
      "internal_id": "<string>",
      "query_count": 123,
      "completed_at": "2023-11-07T05:31:56Z",
      "overall_metrics": {},
      "metrics_by_k": {},
      "total_queries": 123,
      "evaluated_queries": 123,
      "skipped_queries": 123,
      "error_message": "<string>"
    }
  ],
  "total": 123,
  "page": 123,
  "page_size": 123
}