Issue links API

The simple “relates to” relationship moved to GitLab Free in 13.4.

List issue relations

Get a list of a given issue’s linked issues, sorted by the relationship creation datetime (ascending). Issues are filtered according to the user authorizations.

GET /projects/:id/issues/:issue_iid/links

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project owned by the authenticated user
issue_iid integer yes The internal ID of a project’s issue
[
  {
    "id" : 84,
    "iid" : 14,
    "issue_link_id": 1,
    "project_id" : 4,
    "created_at" : "2016-01-07T12:44:33.959Z",
    "title" : "Issues with auth",
    "state" : "opened",
    "assignees" : [],
    "assignee" : null,
    "labels" : [
      "bug"
    ],
    "author" : {
      "name" : "Alexandra Bashirian",
      "avatar_url" : null,
      "state" : "active",
      "web_url" : "https://gitlab.example.com/eileen.lowe",
      "id" : 18,
      "username" : "eileen.lowe"
    },
    "description" : null,
    "updated_at" : "2016-01-07T12:44:33.959Z",
    "milestone" : null,
    "user_notes_count": 0,
    "due_date": null,
    "web_url": "http://example.com/example/example/issues/14",
    "confidential": false,
    "weight": null,
    "link_type": "relates_to",
    "link_created_at": "2016-01-07T12:44:33.959Z",
    "link_updated_at": "2016-01-07T12:44:33.959Z"
  }
]

Introduced in GitLab 15.1.

Gets details about an issue link.

GET /projects/:id/issues/:issue_iid/links/:issue_link_id

Supported attributes:

Attribute Type Required Description
id integer/string Yes ID or URL-encoded path of the project.
issue_iid integer Yes Internal ID of a project’s issue.
issue_link_id integer/string Yes ID of an issue relationship.

Response body attributes:

Attribute Type Description
source_issue object Details of the source issue of the relationship.
target_issue object Details of the target issue of the relationship.
link_type string Type of the relationship. Possible values are relates_to, blocks and is_blocked_by.

Example request:

curl --request GET --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/84/issues/14/links/1"

Example response:

{
  "source_issue" : {
    "id" : 83,
    "iid" : 11,
    "project_id" : 4,
    "created_at" : "2016-01-07T12:44:33.959Z",
    "title" : "Issues with auth",
    "state" : "opened",
    "assignees" : [],
    "assignee" : null,
    "labels" : [
      "bug"
    ],
    "author" : {
      "name" : "Alexandra Bashirian",
      "avatar_url" : null,
      "state" : "active",
      "web_url" : "https://gitlab.example.com/eileen.lowe",
      "id" : 18,
      "username" : "eileen.lowe"
    },
    "description" : null,
    "updated_at" : "2016-01-07T12:44:33.959Z",
    "milestone" : null,
    "subscribed" : true,
    "user_notes_count": 0,
    "due_date": null,
    "web_url": "http://example.com/example/example/issues/11",
    "confidential": false,
    "weight": null
  },
  "target_issue" : {
    "id" : 84,
    "iid" : 14,
    "project_id" : 4,
    "created_at" : "2016-01-07T12:44:33.959Z",
    "title" : "Issues with auth",
    "state" : "opened",
    "assignees" : [],
    "assignee" : null,
    "labels" : [
      "bug"
    ],
    "author" : {
      "name" : "Alexandra Bashirian",
      "avatar_url" : null,
      "state" : "active",
      "web_url" : "https://gitlab.example.com/eileen.lowe",
      "id" : 18,
      "username" : "eileen.lowe"
    },
    "description" : null,
    "updated_at" : "2016-01-07T12:44:33.959Z",
    "milestone" : null,
    "subscribed" : true,
    "user_notes_count": 0,
    "due_date": null,
    "web_url": "http://example.com/example/example/issues/14",
    "confidential": false,
    "weight": null
  },
  "link_type": "relates_to"
}

Creates a two-way relation between two issues. The user must be allowed to update both issues to succeed.

POST /projects/:id/issues/:issue_iid/links
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project owned by the authenticated user
issue_iid integer yes The internal ID of a project’s issue
target_project_id integer/string yes The ID or URL-encoded path of the project of a target project
target_issue_iid integer/string yes The internal ID of a target project’s issue
link_type string no The type of the relation (“relates_to”, “blocks”, “is_blocked_by”), defaults to “relates_to”).
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/4/issues/1/links?target_project_id=5&target_issue_iid=1"

Example response:

{
  "source_issue" : {
    "id" : 83,
    "iid" : 11,
    "project_id" : 4,
    "created_at" : "2016-01-07T12:44:33.959Z",
    "title"