---
title: "POST /api/v4/feature_flags/unleash/{project_id}/client/register"
method: POST
path: "/api/v4/feature_flags/unleash/{project_id}/client/register"
tags: ["unleash"]
---

# POST /api/v4/feature_flags/unleash/{project_id}/client/register

`POST /api/v4/feature_flags/unleash/{project_id}/client/register`

## Request

- Base URL: `https://gitlab.com`
- URL: `https://gitlab.com/api/v4/feature_flags/unleash/{project_id}/client/register`
- Auth: none declared

Register Unleash client

## Path parameters

- `project_id` string, required

## Request body

- PostApiV4FeatureFlagsUnleashProjectIdClientRegister: Register Unleash client
  - `instance_id` string: The instance ID of Unleash Client
  - `app_name` string: The application name of Unleash Client

## Response `201`

Register Unleash client

---

[API](https://skmtc.dev/gitlab/apis/gitlab-api.md) - [All operations](https://skmtc.dev/gitlab/apis/gitlab-api/llms.txt) - [OpenAPI document](https://skmtc.dev/gitlab/apis/gitlab-api/revisions/b234947ef3f2?raw)