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---
stage: Plan
group: Project Management
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
---
# Project milestones API
DETAILS:
**Tier:** Free, Premium, Ultimate
**Offering:** GitLab.com, Self-managed, GitLab Dedicated
Use project [milestones](../user/project/milestones/index.md) with the REST API.
There's a separate [group milestones API](group_milestones.md) page.
## List project milestones
Returns a list of project milestones.
```plaintext
GET /projects/:id/milestones
GET /projects/:id/milestones?iids[]=42
GET /projects/:id/milestones?iids[]=42&iids[]=43
GET /projects/:id/milestones?state=active
GET /projects/:id/milestones?state=closed
GET /projects/:id/milestones?title=1.0
GET /projects/:id/milestones?search=version
GET /projects/:id/milestones?updated_before=2013-10-02T09%3A24%3A18Z
GET /projects/:id/milestones?updated_after=2013-10-02T09%3A24%3A18Z
```
Parameters:
| Attribute | Type | Required | Description |
| ---------------------------- | ------ | -------- | ----------- |
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `iids[]` | integer array | no | Return only the milestones having the given `iid`. Ignored if `include_ancestors` is `true`. |
| `state` | string | no | Return only `active` or `closed` milestones |
| `title` | string | no | Return only the milestones having the given `title` |
| `search` | string | no | Return only milestones with a title or description matching the provided string |
| `include_parent_milestones` | boolean | no | [Deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/433298) in GitLab 16.7. Use `include_ancestors` instead. |
| `include_ancestors` | boolean | no | Include milestones from all parent groups. |
| `updated_before` | datetime | no | Return only milestones updated before the given datetime. Expected in ISO 8601 format (`2019-03-15T08:00:00Z`). Introduced in GitLab 15.10 |
| `updated_after` | datetime | no | Return only milestones updated after the given datetime. Expected in ISO 8601 format (`2019-03-15T08:00:00Z`). Introduced in GitLab 15.10 |
```shell
curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/milestones"
```
Example Response:
```json
[
{
"id": 12,
"iid": 3,
"project_id": 16,
"title": "10.0",
"description": "Version",
"due_date": "2013-11-29",
"start_date": "2013-11-10",
"state": "active",
"updated_at": "2013-10-02T09:24:18Z",
"created_at": "2013-10-02T09:24:18Z",
"expired": false
}
]
```
## Get single milestone
Gets a single project milestone.
```plaintext
GET /projects/:id/milestones/:milestone_id
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
## Create new milestone
Creates a new project milestone.
```plaintext
POST /projects/:id/milestones
```
Parameters:
| Attribute | Type | Required | Description |
|---------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `title` | string | yes | The title of a milestone |
| `description` | string | no | The description of the milestone |
| `due_date` | string | no | The due date of the milestone (`YYYY-MM-DD`) |
| `start_date` | string | no | The start date of the milestone (`YYYY-MM-DD`) |
## Edit milestone
Updates an existing project milestone.
```plaintext
PUT /projects/:id/milestones/:milestone_id
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
| `title` | string | no | The title of a milestone |
| `description` | string | no | The description of the milestone |
| `due_date` | string | no | The due date of the milestone (`YYYY-MM-DD`) |
| `start_date` | string | no | The start date of the milestone (`YYYY-MM-DD`) |
| `state_event` | string | no | The state event of the milestone (close or activate) |
## Delete project milestone
> - [Changed](https://gitlab.com/gitlab-org/gitlab/-/issues/343889) the minimum user role from Developer to Reporter in GitLab 15.0.
Only for users with at least the Reporter role for the project.
```plaintext
DELETE /projects/:id/milestones/:milestone_id
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
## Get all issues assigned to a single milestone
Gets all issues assigned to a single project milestone.
```plaintext
GET /projects/:id/milestones/:milestone_id/issues
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
## Get all merge requests assigned to a single milestone
Gets all merge requests assigned to a single project milestone.
```plaintext
GET /projects/:id/milestones/:milestone_id/merge_requests
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
## Promote project milestone to a group milestone
> - [Changed](https://gitlab.com/gitlab-org/gitlab/-/issues/343889) the minimum user role from Developer to Reporter in GitLab 15.0.
Only for users with at least the Reporter role for the group.
```plaintext
POST /projects/:id/milestones/:milestone_id/promote
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
## Get all burndown chart events for a single milestone
DETAILS:
**Tier:** Premium, Ultimate
**Offering:** GitLab.com, Self-managed, GitLab Dedicated
Gets all burndown chart events for a single milestone.
```plaintext
GET /projects/:id/milestones/:milestone_id/burndown_events
```
Parameters:
| Attribute | Type | Required | Description |
|----------------|----------------|----------|-----------------------------------------------------------------------------------------------------------------|
| `id` | integer or string | yes | The ID or [URL-encoded path of the project](rest/index.md#namespaced-paths) |
| `milestone_id` | integer | yes | The ID of the project's milestone |
|
