---
title: "Evaluation Run Read"
method: GET
path: "/v2/{entity}/{project}/evaluation_runs/{evaluation_run_id}"
tags: ["Evaluation Runs"]
---

# Evaluation Run Read

`GET /v2/{entity}/{project}/evaluation_runs/{evaluation_run_id}`

## Request

- Base URL: `https://trace.wandb.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://trace.wandb.ai/v2/{entity}/{project}/evaluation_runs/{evaluation_run_id}`
- Auth: none declared

Read an evaluation run.

## Path parameters

- `entity` string, required
- `project` string, required
- `evaluation_run_id` string, required

## Response `200`

Successful Response

- EvaluationRunReadRes
  - `evaluation_run_id` string, required: The evaluation run ID
  - `evaluation` string, required: Reference to the evaluation (weave:// URI)
  - `model` string, required: Reference to the model (weave:// URI)
  - `status` string, nullable: Status of the evaluation run
  - `started_at` string, date-time, nullable: When the evaluation run started
  - `finished_at` string, date-time, nullable: When the evaluation run finished
  - `summary` object, nullable: Summary data for the evaluation run
  - `source_evaluation_run_id` string, nullable: Source evaluation run ID if this run was created by rescoring

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `dd89fadfe4e4`: 4 info
  - the endpoint scheme security `HTTPBasic` was removed from the API
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
  - added the optional property `source_evaluation_run_id` to the response with the `200` status
- **2026-02-02** `56745769989b`: 1 info
  - endpoint added
- **2026-01-07** `3758bf263a5e`: 1 breaking
  - api path removed without deprecation
- **2026-01-07** `d6e39f7c717d`: 1 info
  - api operation id `evaluation_run_read` removed and replaced with `evaluation_run_read_v2__entity___project__evaluation_runs__evaluation_run_id__get`
- **2025-11-14** `e444bf379e61`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/changes/v2/:entity/:project/evaluation_runs/:evaluation_run_id/get.md)

---

[API](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api.md) - [All operations](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/llms.txt) - [OpenAPI document](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/revisions/f7643c49bf2e?raw)