---
title: "Creating a new User Group Membership"
method: POST
path: "/user_group_memberships"
tags: ["User Group Memberships"]
---

# Creating a new User Group Membership

`POST /user_group_memberships`

## Request

- Base URL: `https://api.mavenlink.com/api/v1`
- URL: `https://api.mavenlink.com/api/v1/user_group_memberships`
- Auth: none declared

Adds a user to a Workspace Group.

**Bulk Create**

This endpoint supports bulk creating up to 100 objects. In the request body, set the top-level key to its plural form and place the objects in an array. Example:

```
{
  "user_group_memberships": [
    {
      "user_id": 123,
      "workspace_group_id": 111
    },
    {
      "user_id": 456,
      "workspace_group_id": 111
    }
  ]
}
```


This endpoint returns structured User Group Membership objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `user_group_memberships` top-level JSON key.
Please see our [Response Format](#section/Response-Format) section for more information.

## Query parameters

- `include` string

## Request body

- object
  - `user_group_membership` object
    - `user_id` integer, required: The ID of the user to add to the Workspace Group.
    - `workspace_group_id` integer, required: The ID of the Workspace Group to add the user to.

## Response `200`

User Group Membership has been created.

- object
  - `count` integer
  - `meta` object
    - `count` integer
    - `page_count` integer
    - `page_number` integer
    - `page_size` integer
  - `results` object[]
    - `key` string
    - `id` string
  - `user_group_memberships` object
  - `users` object
  - `workspace_groups` object

## Other responses

- `400`: Bad Request
- `401`: Unauthorized request
- `403`: Forbidden request
- `404`: Page Not Found
- `422`: Unprocessable Entity
- `503`: Service is unavailable

---

[API](https://skmtc.dev/kantata/apis/kantata-ox-api-documentation.md) - [All operations](https://skmtc.dev/kantata/apis/kantata-ox-api-documentation/llms.txt) - [OpenAPI document](https://skmtc.dev/kantata/apis/kantata-ox-api-documentation/revisions/9d4ebed2fa98?raw)