---
title: "Read Experiment Endpoint"
method: GET
path: "/api/v1/gm/experiment/{experiment_id}"
tags: ["gm", "gm"]
---

# Read Experiment Endpoint

`GET /api/v1/gm/experiment/{experiment_id}`

## Request

- Base URL: `https://app.goodleads.club` (the document declares no server; this is the origin it was published from)
- URL: `https://app.goodleads.club/api/v1/gm/experiment/{experiment_id}`
- Auth: API key in header `X-API-Key`

Read-only summary of an experiment + per-variant cell + match counts.

`include_cells=true` attaches each variant's per-cell rows
({corpus_item_key, output_artifact}) — the raw material for computing
a vendor experiment's verdict (fill rates per cohort, identity
confirmation against the submitted name) outside the harness.

## Path parameters

- `experiment_id` string, required

## Query parameters

- `include_cells` boolean: Attach per-cell output artifacts to each variant

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/goodleads/apis/formation-gtm-api.md) · [All operations](https://skmtc.dev/goodleads/apis/formation-gtm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/goodleads/apis/formation-gtm-api/revisions/2068d13a82cf?raw)