apicheats.dev github/llms.txt Raw .md
POST

POST /repos/{owner}/{repo}/milestones — GitHub API

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

GitHub API

Create a milestone

Base URL
https://api.github.com
Auth
Authorization: Bearer <GITHUB_API_KEY>
Last verified
2026-10-20 · upstream hash matched
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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/milestones' \  -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 '{  "title": "example-title"}'

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.
title body string Yes The title of the milestone.
state body string No The state of the milestone. Either `open` or `closed`.
description body string No A description of the milestone.
due_on body string No The milestone due date. This is a timestamp in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format: `YYYY-MM-DDTHH:MM:SSZ`.

Response 200 OK

{
  "url": "https://api.github.com/repos/octocat/Hello-World/milestones/1",
  "html_url": "https://github.com/octocat/Hello-World/milestones/v1.0",
  "labels_url": "https://api.github.com/repos/octocat/Hello-World/milestones/1/labels",
  "id": 1002604,
  "node_id": "MDk6TWlsZXN0b25lMTAwMjYwNA==",
  "number": 42,
  "state": "open",
  "title": "v1.0",
  "description": "Tracking milestone for version 1.0",
  "creator": {
    "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"
  },
  "open_issues": 4,
  "closed_issues": 8,
  "created_at": "2011-04-10T20:09:31Z",
  "updated_at": "2014-03-03T18:58:10Z",
  "closed_at": "2013-02-12T13:22:01Z",
  "due_on": "2012-10-09T23:39:01Z"
}
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