curl -X GET 'https://api.openai.com/v1/organization/projects/project-id/users/user-id' \
  -H "Authorization: Bearer $OPENAI_ADMIN_KEY"

# GET /organization/projects/{project_id}/users/{user_id} (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI admin key; required.
Last verified: 2026-10-20

> Retrieve project user

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X GET 'https://api.openai.com/v1/organization/projects/project-id/users/user-id' \
  -H "Authorization: Bearer $OPENAI_ADMIN_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| project_id | path | string | Yes | The ID of the project. |
| user_id | path | string | Yes | The ID of the user. |

## Response example
{"object":"organization.project.user","id":"string"}

---
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GET

GET /organization/projects/{project_id}/users/{user_id} — OpenAI API

OpenAI admin key (required); https://api.openai.com/v1

OpenAI API

Retrieve project user

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 179 tokens · Vary: Accept

Critical gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

cURL

curl -X GET 'https://api.openai.com/v1/organization/projects/project-id/users/user-id' \  -H "Authorization: Bearer $OPENAI_ADMIN_KEY"

Parameters

Name	In	Type	Required	Description
project_id	path	string	Yes	The ID of the project.
user_id	path	string	Yes	The ID of the user.

Response 200 OK

{
  "object": "organization.project.user",
  "id": "string",
  "name": "string",
  "email": "string",
  "role": "string",
  "added_at": 0
}

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