Epic Links API

Tier: Ultimate Offering: GitLab.com, Self-managed, GitLab Dedicated
caution
The Epics REST API was deprecated in GitLab 17.0 and is planned for removal in v5 of the API. In GitLab 17.4 or later, if your administrator enabled the new look for epics, use the Work Items API instead. For more information, see the guide how to migrate your existing APIs. This change is a breaking change.

Manages parent-child epic relationships.

Every API call to epic_links must be authenticated.

If a user is not a member of a private group, a GET request on that group results in a 404 status code.

Multi-level Epics are available only in GitLab Ultimate. If the Multi-level Epics feature is not available, a 403 status code is returned.

Gets all child epics of an epic. 

GET /groups/:id/epics/:epic_iid/epics
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_iid integer yes The internal ID of the epic. 
curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/groups/1/epics/5/epics/"

Example response: 

[
  {
    "id": 29,
    "iid": 6,
    "group_id": 1,
    "parent_id": 5,
    "title": "Accusamus iste et ullam ratione voluptatem omnis debitis dolor est.",
    "description": "Molestias dolorem eos vitae expedita impedit necessitatibus quo voluptatum.",
    "author": {
      "id": 10,
      "name": "Lu Mayer",
      "username": "kam",
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/018729e129a6f31c80a6327a30196823?s=80&d=identicon",
      "web_url": "http://localhost:3001/kam"
    },
    "start_date": null,
    "start_date_is_fixed": false,
    "start_date_fixed": null,
    "start_date_from_milestones": null,       //deprecated in favor of start_date_from_inherited_source
    "start_date_from_inherited_source": null,
    "end_date": "2018-07-31",                 //deprecated in favor of due_date
    "due_date": "2018-07-31",
    "due_date_is_fixed": false,
    "due_date_fixed": null,
    "due_date_from_milestones": "2018-07-31", //deprecated in favor of start_date_from_inherited_source
    "due_date_from_inherited_source": "2018-07-31",
    "created_at": "2018-07-17T13:36:22.770Z",
    "updated_at": "2018-07-18T12:22:05.239Z",
    "labels": []
  }
]

Assign a child epic

Creates an association between two epics, designating one as the parent epic and the other as the child epic. A parent epic can have multiple child epics. If the new child epic already belonged to another epic, it is unassigned from that previous parent. 

POST /groups/:id/epics/:epic_iid/epics/:child_epic_id
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_iid integer yes The internal ID of the epic.
child_epic_id integer yes The global ID of the child epic. Internal ID can’t be used because they can conflict with epics from other groups. 
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/groups/1/epics/5/epics/6"

Example response: 

{
  "id": 6,
  "iid": 38,
  "group_id": 1,
  "parent_id": 5,
  "title": "Accusamus iste et ullam ratione voluptatem omnis debitis dolor est.",
  "description": "Molestias dolorem eos vitae expedita impedit necessitatibus quo voluptatum.",
  "author": {
    "id": 10,
    "name": "Lu Mayer",
    "username": "kam",
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/018729e129a6f31c80a6327a30196823?s=80&d=identicon",
    "web_url": "http://localhost:3001/kam"
  },
  "start_date": null,
  "start_date_is_fixed": false,
  "start_date_fixed": null,
  "start_date_from_milestones": null,       //deprecated in favor of start_date_from_inherited_source
  "start_date_from_inherited_source": null,
  "end_date": "2018-07-31",                 //deprecated in favor of due_date
  "due_date": "2018-07-31",
  "due_date_is_fixed": false,
  "due_date_fixed": null,
  "due_date_from_milestones": "2018-07-31", //deprecated in favor of start_date_from_inherited_source
  "due_date_from_inherited_source": "2018-07-31",
  "created_at": "2018-07-17T13:36:22.770Z",
  "updated_at": "2018-07-18T12:22:05.239Z",
  "labels": []
}

Create and assign a child epic

Creates a new epic and associates it with provided parent epic. The response is LinkedEpic object. 

POST /groups/:id/epics/:epic_iid/epics
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_iid integer yes The internal ID of the (future parent) epic.
title string yes The title of a newly created epic.
confidential boolean no Whether the epic should be confidential. Parameter is ignored if confidential_epics feature flag is disabled. Defaults to the confidentiality state of the parent epic. 
curl --request POST --header  "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/groups/1/epics/5/epics?title=Newpic"

Example response: 

{
  "id": 24,
  "iid": 2,
  "title": "child epic",
  "group_id": 49,
  "parent_id": 23,
  "has_children": false,
  "has_issues": false,
  "reference":  "&2",
  "url": "http://localhost/groups/group16/-/epics/2",
  "relation_url": "http://localhost/groups/group16/-/epics/1/links/24"
}

Re-order a child epic 

PUT /groups/:id/epics/:epic_iid/epics/:child_epic_id
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group.
epic_iid integer yes The internal ID of the epic.
child_epic_id integer yes The global ID of the child epic. Internal ID can’t be used because they can conflict with epics from other groups.
move_before_id integer no The global ID of a sibling epic that should be placed before the child epic.
move_after_id integer no The global ID of a sibling epic that should be placed after the child epic. 
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/groups/1/epics/4/epics/5"

Example response: 

[
  {
    "id": 29,
    "iid": 6,
    "group_id": 1,
    "parent_id": 5,
    "title": "Accusamus iste et ullam ratione voluptatem omnis debitis dolor est.",
    "description": "Molestias dolorem eos vitae expedita impedit necessitatibus quo voluptatum.",
    "author": {
      "id": 10,
      "name": "Lu Mayer",
      "username": "kam",
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/018729e129a6f31c80a6327a30196823?s=80&d=identicon",
      "web_url": "http://localhost:3001/kam"
    },
    "start_date": null,
    "start_date_is_fixed": false,
    "start_date_fixed": null,
    "start_date_from_milestones": null,       //deprecated in favor of start_date_from_inherited_source
    "start_date_from_inherited_source": null,
    "end_date": "2018-07-31",                 //deprecated in favor of due_date
    "due_date": "2018-07-31",
    "due_date_is_fixed": false,
    "due_date_fixed": null,
    "due_date_from_milestones": "2018-07-31", //deprecated in favor of start_date_from_inherited_source
    "due_date_from_inherited_source": "2018-07-31",
    "created_at": "2018-07-17T13:36:22.770Z",
    "updated_at": "2018-07-18T12:22:05.239Z",
    "labels": []
  }
]

Unassign a child epic

Unassigns a child epic from a parent epic. 

DELETE /groups/:id/epics/:epic_iid/epics/:child_epic_id
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group.
epic_iid integer yes The internal ID of the epic.
child_epic_id integer yes The global ID of the child epic. Internal ID can’t be used because they can conflict with epics from other groups. 
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/groups/1/epics/4/epics/5"

Example response: 

{
  "id": 5,
  "iid": 38,
  "group_id": 1,
  "parent_id": null,
  "title": "Accusamus iste et ullam ratione voluptatem omnis debitis dolor est.",
  "description": "Molestias dolorem eos vitae expedita impedit necessitatibus quo voluptatum.",
  "author": {
    "id": 10,
    "name": "Lu Mayer",
    "username": "kam",
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/018729e129a6f31c80a6327a30196823?s=80&d=identicon",
    "web_url": "http://localhost:3001/kam"
  },
  "start_date": null,
  "start_date_is_fixed": false,
  "start_date_fixed": null,
  "start_date_from_milestones": null,       //deprecated in favor of start_date_from_inherited_source
  "start_date_from_inherited_source": null,
  "end_date": "2018-07-31",                 //deprecated in favor of due_date
  "due_date": "2018-07-31",
  "due_date_is_fixed": false,
  "due_date_fixed": null,
  "due_date_from_milestones": "2018-07-31", //deprecated in favor of start_date_from_inherited_source
  "due_date_from_inherited_source": "2018-07-31",
  "created_at": "2018-07-17T13:36:22.770Z",
  "updated_at": "2018-07-18T12:22:05.239Z",
  "labels": []
}