---
title: "Evaluation Create"
method: POST
path: "/v2/{entity}/{project}/evaluations"
tags: ["Evaluations"]
---

# Evaluation Create

`POST /v2/{entity}/{project}/evaluations`

Create an evaluation object.

## Path parameters

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

## Request body

- EvaluationCreateBody
  - `name` string, required — The name of this evaluation. Evaluations with the same name will be versioned together.
  - `description` string, nullable — A description of this evaluation
  - `dataset` string, required — Reference to the dataset (weave:// URI)
  - `scorers` string[], nullable — List of scorer references (weave:// URIs)
  - `trials` integer — Number of trials to run
  - `evaluation_name` string, nullable — Name for the evaluation run
  - `eval_attributes` object, nullable — Optional attributes for the evaluation

## Response `200`

Successful Response

- EvaluationCreateRes
  - `digest` string, required — The digest of the created evaluation
  - `object_id` string, required — The ID of the created evaluation
  - `version_index` integer, required — The version index of the created evaluation
  - `evaluation_ref` string, required — Full reference to the created evaluation

## Other responses

- `422` — Validation Error

## Changes

- **2026-02-02** `56745769989b` — 1 info
  - endpoint added
- **2026-01-07** `3758bf263a5e` — 1 breaking
  - api path removed without deprecation
- **2026-01-07** `d6e39f7c717d` — 2 breaking, 2 warning, 1 info
  - added the new path request parameter `entity`
  - added the new path request parameter `project`
  - removed the request property `project_id`
  - removed the request property `wb_user_id`
  - …1 more
- **2025-11-14** `e444bf379e61` — 1 info
  - endpoint added
- **2025-11-14** `b6cf2a1c4dac` — 1 breaking
  - api path removed without deprecation

[Full history](https://skmtc.dev/wandb/apis/fastapi/changes/v2/:entity/:project/evaluations/post.md)

---

[API](https://skmtc.dev/wandb/apis/fastapi.md) · [All operations](https://skmtc.dev/wandb/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/wandb/fastapi/revisions/56745769989b/schema)