---
title: "Add a member to a workspace (project admin/owner)."
method: POST
path: "/v1/projects/add_member"
tags: ["resource-facade"]
---

# Add a member to a workspace (project admin/owner).

`POST /v1/projects/add_member`

## Headers

- `x-api-key` string, nullable

## Request body

- AddMemberInput
  - `project_id` string, required
  - `user_id` string, required — UUID of the user to add
  - `role` string — Role: admin, editor, or viewer

## Response `200`

Successful Response

- MemberOutput

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Validation Error
- `500` — Internal Server Error

---

[API](https://skmtc.dev/geopera/apis/geopera-data-platform.md) · [All operations](https://skmtc.dev/geopera/apis/geopera-data-platform/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/geopera/geopera-data-platform/revisions/cb0130b2a40a/schema)