curl -X POST 'https://api.github.com/repos/example-owner/example-repo/commits/example-commit-sha/comments' \
  -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 '{
  "body": "example-body"
}'

# POST /repos/{owner}/{repo}/commits/{commit_sha}/comments (GitHub API)
Base URL: https://api.github.com
Auth: Authorization; GitHub token; required.
Request formats: application/json.
Last verified: 2026-10-20

> Create a commit comment

## 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 POST 'https://api.github.com/repos/example-owner/example-repo/commits/example-commit-sha/comments' \
  -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 '{
  "body": "example-body"
}'

## 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... |
| commit_sha | path | string | Yes | The SHA of the commit. |
| body | body | string | Yes | The contents of the comment. |
| path | body | string | No | Relative path of the file to comment on. |
| position | body | integer | No | Line index in the diff to comment on. |
| line | body | integer | No | **Closing down notice**. Use **position** parameter instead. Line number in t... |

## Response example
{"html_url":"https://example.com","url":"https://example.com"}

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

POST

POST /repos/{owner}/{repo}/commits/{commit_sha}/comments — GitHub API

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

GitHub API

Create a commit comment

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
→ 328 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 POST 'https://api.github.com/repos/example-owner/example-repo/commits/example-commit-sha/comments' \  -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 '{  "body": "example-body"}'

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.
commit_sha	path	string	Yes	The SHA of the commit.
body	body	string	Yes	The contents of the comment.
path	body	string	No	Relative path of the file to comment on.
position	body	integer	No	Line index in the diff to comment on.
line	body	integer	No	Closing down notice. Use position parameter instead. Line number in the file to comment on.

Response 200 OK

{
  "html_url": "https://example.com",
  "url": "https://example.com",
  "id": 0,
  "node_id": "string",
  "body": "string",
  "path": "string",
  "position": 0,
  "line": 0,
  "commit_id": "string",
  "user": {
    "name": "string",
    "email": "string",
    "login": "octocat",
    "id": 1,
    "node_id": "MDQ6VXNlcjE=",
    "avatar_url": "https://github.com/images/error/octocat_happy.gif",
    "gravatar_id": "41d064eb2195891e12d0413f63227ea7",
    "url": "https://api.github.com/users/octocat",
    "html_url": "https://github.com/octocat",
    "followers_url": "https://api.github.com/users/octocat/followers",
    "following_url": "https://api.github.com/users/octocat/following{/other_user}",
    "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
    "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
    "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
    "organizations_url": "https://api.github.com/users/octocat/orgs",
    "repos_url": "https://api.github.com/users/octocat/repos",
    "events_url": "https://api.github.com/users/octocat/events{/privacy}",
    "received_events_url": "https://api.github.com/users/octocat/received_events",
    "type": "User",
    "site_admin": true,
    "starred_at": "\"2020-07-09T00:17:55Z\"",
    "user_view_type": "public"
  },
  "created_at": "2026-09-03T00:00:00Z",
  "updated_at": "2026-09-03T00:00:00Z",
  "author_association": "OWNER",
  "reactions": {
    "url": "https://example.com",
    "total_count": 0,
    "+1": 0,
    "-1": 0,
    "laugh": 0,
    "confused": 0,
    "heart": 0,
    "hooray": 0,
    "eyes": 0,
    "rocket": 0
  }
}

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