---
title: "Start Experiment Endpoint"
method: POST
path: "/admin/experiments"
tags: ["admin"]
---

# Start Experiment Endpoint

`POST /admin/experiments`

## Request

- Base URL: `https://stardrift.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://stardrift.ai/admin/experiments`
- Auth: none declared

## Request body

- StartExperimentRequest
  - `name` string, required
  - `variants` ExperimentVariantPayload[], required
    - `name` string, required
    - `limit` integer, required
    - `weight` number, required

## Response `201`

Successful Response

- ExperimentResponse
  - `id` string, required
  - `name` string, required
  - `started_at` string, date-time, required
  - `ended_at` string, date-time, nullable, required
  - `spec` object, required
  - `conclusion` object, nullable, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/stardrift/apis/stardrift-api.md) - [All operations](https://skmtc.dev/stardrift/apis/stardrift-api/llms.txt) - [OpenAPI document](https://skmtc.dev/stardrift/apis/stardrift-api/revisions/be9ed1e6c38a?raw)