---
title: "Get Experiment"
method: GET
path: "/api/experiments/{experiment_id}"
tags: ["experiments"]
---

# Get Experiment

`GET /api/experiments/{experiment_id}`

Get experiment with test cases and latest run status

## Path parameters

- `experiment_id` string, required

## Headers

- `authorization` string, required

## Response `200`

Successful Response

- ExperimentResponse
  - `id` string, required
  - `product_id` string, required
  - `name` string, required
  - `created_at` string, required
  - `updated_at` string, required
  - `test_cases` TestCaseResponse[], required
    - `id` string, required
    - `experiment_id` string, required
    - `prompt` string, required
    - `sort_order` integer, required
    - `created_at` string, required
    - `updated_at` string, required
    - `evaluator_type` string, nullable
    - `expected_output` string, nullable
    - `evaluation_criteria` string, nullable
  - `latest_run` ExperimentRunResponse
    - `id` string, required
    - `experiment_id` string, required
    - `status` string, required
    - `started_at` string, required
    - `completed_at` string, nullable
    - `total_cases` integer, required
    - `completed_cases` integer, required
    - `results` RunResultResponse[], required
      - `id` string, required
      - `test_case_id` string, required
      - `status` string, required
      - `output` string, nullable
      - `error_message` string, nullable
      - `latency_ms` integer, nullable
      - `tool_calls` ToolCallData[]
        - `name` string, required
        - `arguments` object, required
        - `status` string, required
        - `result` unknown
        - `latency_ms` integer, nullable
        - `is_client_side` boolean
        - `error` string, nullable
      - `messages` MessageData[]
        - `type` string, required
        - `content` string, nullable
        - `name` string, nullable
        - `arguments` object, nullable
        - `status` string, nullable
        - `result` unknown
        - `latency_ms` integer, nullable
        - `is_client_side` boolean, nullable
        - `error` string, nullable
      - `is_dry_run` boolean
      - `score` number, nullable
      - `score_label` string, nullable
      - `score_explanation` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/usecrow/apis/crow-backend-multi-tenant-saas.md) · [All operations](https://skmtc.dev/usecrow/apis/crow-backend-multi-tenant-saas/llms.txt) · [OpenAPI document](https://skmtc.dev/usecrow/apis/crow-backend-multi-tenant-saas/revisions/dafdd6b267c4?raw)