curl -X GET 'https://api.github.com/repos/example-owner/example-repo/codeowners/errors?ref=example-ref' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10'

# GET /repos/{owner}/{repo}/codeowners/errors (GitHub API)
Base URL: https://api.github.com
Auth: Authorization; GitHub token; required.
Last verified: 2026-10-20

> List CODEOWNERS errors

## 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 GET 'https://api.github.com/repos/example-owner/example-repo/codeowners/errors?ref=example-ref' \
  -H "Authorization: Bearer $GITHUB_TOKEN" \
  -H 'Accept: application/vnd.github+json' \
  -H 'X-GitHub-Api-Version: 2026-03-10'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| owner | path | string | Yes | The account owner of the repository. The name is not case sensitive. |
| repo | path | string | Yes | The name of the repository without the `.git` extension. The name is not case... |
| ref | query | string | No | A branch, tag or commit name used to determine which version of the CODEOWNER... |

## Response example
{"errors":[{}]}

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

GET

GET /repos/{owner}/{repo}/codeowners/errors — GitHub API

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

GitHub API

List CODEOWNERS errors

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
→ 228 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 GET 'https://api.github.com/repos/example-owner/example-repo/codeowners/errors?ref=example-ref' \  -H "Authorization: Bearer $GITHUB_TOKEN" \  -H 'Accept: application/vnd.github+json' \  -H 'X-GitHub-Api-Version: 2026-03-10'

Parameters

Name	In	Type	Required	Description
owner	path	string	Yes	The account owner of the repository. The name is not case sensitive.
repo	path	string	Yes	The name of the repository without the `.git` extension. The name is not case sensitive.
ref	query	string	No	A branch, tag or commit name used to determine which version of the CODEOWNERS file to use. Default: the repository's default branch (e.g. `main`)

Response 200 OK

{
  "errors": [
    {
      "line": 7,
      "column": 3,
      "source": "* user",
      "kind": "Invalid owner",
      "suggestion": "The pattern `/` will never match anything, did you mean `*` instead?",
      "message": "Invalid owner on line 7:\n\n  * user\n    ^",
      "path": ".github/CODEOWNERS"
    }
  ]
}

Get a free GitHub API key → sponsored

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