---
title: "Changes to Add a user to a project or update their project role"
method: POST
path: "/projects/{project_id}/members"
---

# Changes to Add a user to a project or update their project role

`POST /projects/{project_id}/members`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 25 revisions.

- **2026-09-30** `ea3d377fec1a`: 1 breaking

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `project_id`, the format changed from no format to `uuid`

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/projects/:project_id/members/post.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/projects/:project_id/members/post)