curl -X PUT 'https://api.github.com/orgs/example-org/outside_collaborators/example-username' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10' \
  -H 'Content-Type: application/json' \
  -d '{}'

# PUT /orgs/{org}/outside_collaborators/{username} (GitHub API)
Base URL: https://api.github.com
Auth: Authorization; GitHub token; required.
Request formats: application/json.
Last verified: 2026-10-20

> Convert an organization member to outside collaborator

## Critical Gotchas
* GitHub recommends an `Accept: application/vnd.github+json` header and an explicit `X-GitHub-Api-Version` header.
* Fine-grained tokens only authorize repositories and permissions selected when the token is created.

## cURL
curl -X PUT 'https://api.github.com/orgs/example-org/outside_collaborators/example-username' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10' \
  -H 'Content-Type: application/json' \
  -d '{}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| org | path | string | Yes | The organization name. The name is not case sensitive. |
| username | path | string | Yes | The handle for the GitHub user account. |
| async | body | boolean | No | When set to `true`, the request will be performed asynchronously. Returns a 2... |

## Response example
{}

---
Need an API key? Get one at https://github.com/settings/tokens

PUT

PUT /orgs/{org}/outside_collaborators/{username} — GitHub API

GitHub token (required); https://api.github.com

GitHub API

Convert an organization member to outside collaborator

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

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 232 tokens · Vary: Accept

Critical gotchas

GitHub recommends an Accept: application/vnd.github+json header and an explicit X-GitHub-Api-Version header.

Fine-grained tokens only authorize repositories and permissions selected when the token is created.

cURL

curl -X PUT 'https://api.github.com/orgs/example-org/outside_collaborators/example-username' \  -H "Authorization: Bearer $GITHUB_TOKEN" \  -H 'Accept: application/vnd.github+json' \  -H 'X-GitHub-Api-Version: 2026-03-10' \  -H 'Content-Type: application/json' \  -d '{}'

Parameters

Name	In	Type	Required	Description
org	path	string	Yes	The organization name. The name is not case sensitive.
username	path	string	Yes	The handle for the GitHub user account.
async	body	boolean	No	When set to `true`, the request will be performed asynchronously. Returns a 202 status code when the job is successfully queued.

Response 200 OK

{}

Get a free GitHub API key → sponsored

Affiliate link - we may earn a commission, at no extra cost to you.