---
title: "Assign Variant"
method: POST
path: "/ab-testing/experiments/{experiment_id}/assign"
tags: ["ab-testing"]
---

# Assign Variant

`POST /ab-testing/experiments/{experiment_id}/assign`

Assign a user to an experiment variant.

## Path parameters

- `experiment_id` string, uuid, required

## Query parameters

- `user_identifier` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/meganova/apis/fastapi.md) · [All operations](https://skmtc.net/meganova/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/meganova/fastapi/revisions/2b2bab8b9017/schema)