---
title: "Get a single custom-rubric evaluation"
method: GET
path: "/api/v1/datasets/{dataset_id}/custom-evals/{custom_eval_id}"
tags: ["datasets"]
---

# Get a single custom-rubric evaluation

`GET /api/v1/datasets/{dataset_id}/custom-evals/{custom_eval_id}`

## Request

- The document declares no server URL.
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/adaptionlabs/apis/adaption-api/docs/api/v1/datasets/:dataset_id/custom-evals/:custom_eval_id/get.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `dataset_id` string, required
- `custom_eval_id` string, required

## Response `default`

- CustomEvalResponseDto
  - `custom_eval_id` string, required
  - `dataset_id` string, required
  - `status` string, required: pending | running | succeeded | failed
  - `judge_prompt` string, required
  - `name` string, nullable, required
  - `score_before` number, nullable, required: Mean rubric score on the original pairs. Null until the eval succeeds.
  - `score_after` number, nullable, required: Mean rubric score on the adapted pairs. Null until the eval succeeds.
  - `improvement_percent` number, nullable, required: Percentage change from score_before to score_after. Null until the eval succeeds.
  - `scored_rows` integer, nullable, required: Rows the judge scored. A rubric score is an average over this sample, not the whole dataset.
  - `error_message` string, nullable, required
  - `created_at` string, date-time, required
  - `completed_at` string, date-time, nullable, required

## Changes

- **2026-10-29** `b38d4dc031db`: 1 info
  - endpoint added
- **2026-09-15** `f4d1edd8f3d1`: 1 breaking
  - api path removed without deprecation

[Operation history](https://skmtc.dev/adaptionlabs/apis/adaption-api/changes/api/v1/datasets/:dataset_id/custom-evals/:custom_eval_id/get.md)

---

[API](https://skmtc.dev/adaptionlabs/apis/adaption-api.md) - [All operations](https://skmtc.dev/adaptionlabs/apis/adaption-api/llms.txt) - [OpenAPI document](https://skmtc.dev/adaptionlabs/apis/adaption-api/revisions/d4cf908c19a0?raw)