---
title: "Create Workspace Membership"
method: POST
path: "/workspaces/{workspace_id}/memberships"
tags: ["workspaces"]
---

# Create Workspace Membership

`POST /workspaces/{workspace_id}/memberships`

## Request

- Base URL: `https://platform.tracecat.com/api`
- URL: `https://platform.tracecat.com/api/workspaces/{workspace_id}/memberships`
- Auth: one of:
  - API key in cookie `fastapiusersauth`
  - HTTP bearer

Create a workspace membership for a user.

## Path parameters

- `workspace_id` string, uuid, required

## Request body

- WorkspaceMembershipCreate
  - `user_id` string, uuid, required

## Response `201`

Successful Response

- WorkspaceMembershipRead
  - `user_id` string, uuid, required
  - `workspace_id` string, uuid, required

## Other responses

- `404`: User is not a member of the organization.
- `409`: User is already a member of the workspace.
- `422`: Validation Error

---

[API](https://skmtc.dev/tracecat/apis/tracecat-api.md) - [All operations](https://skmtc.dev/tracecat/apis/tracecat-api/llms.txt) - [OpenAPI document](https://skmtc.dev/tracecat/apis/tracecat-api/revisions/2efdda25045f?raw)