debian-mirror-gitlab/doc/api/discussions.md
2022-06-21 17:19:12 +05:30

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Discussions API (FREE)

Discussions are a set of related notes on:

  • Snippets
  • Issues
  • Epics
  • Merge requests
  • Commits

This includes comments and threads and system notes. System notes are notes about changes to the object (for example, when a milestone changes). Label notes are not part of this API, but recorded as separate events in resource label events.

Discussions pagination

By default, GET requests return 20 results at a time because the API results are paginated.

Read more on pagination.

Issues

List project issue discussion items

Gets a list of all discussion items for a single issue.

GET /projects/:id/issues/:issue_iid/discussions
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
[
  {
    "id": "6a9c1750b37d513a43987b574953fceb50b03ce7",
    "individual_note": false,
    "notes": [
      {
        "id": 1126,
        "type": "DiscussionNote",
        "body": "discussion text",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-03T21:54:39.668Z",
        "updated_at": "2018-03-03T21:54:39.668Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Issue",
        "noteable_iid": null
      },
      {
        "id": 1129,
        "type": "DiscussionNote",
        "body": "reply to the discussion",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T13:38:02.127Z",
        "updated_at": "2018-03-04T13:38:02.127Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Issue",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  },
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": true,
    "notes": [
      {
        "id": 1128,
        "type": null,
        "body": "a single comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Issue",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  }
]
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions"

Get single issue discussion item

Returns a single discussion item for a specific project issue

GET /projects/:id/issues/:issue_iid/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
discussion_id integer yes The ID of a discussion item
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions/<discussion_id>"

Create new issue thread

Creates a new thread to a single project issue. This is similar to creating a note but other comments (replies) can be added to it later.

POST /projects/:id/issues/:issue_iid/discussions

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
body string yes The content of the thread
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions?body=comment"

Add note to existing issue thread

Adds a new note to the thread. This can also create a thread from a single comment.

WARNING Notes can be added to other items than comments, such as system notes, making them threads.

POST /projects/:id/issues/:issue_iid/discussions/:discussion_id/notes

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions/<discussion_id>/notes?body=comment"

Modify existing issue thread note

Modify existing thread note of an issue.

PUT /projects/:id/issues/:issue_iid/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions/<discussion_id>/notes/1108?body=comment"

Delete an issue thread note

Deletes an existing thread note of an issue.

DELETE /projects/:id/issues/:issue_iid/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
issue_iid integer yes The IID of an issue
discussion_id integer yes The ID of a discussion
note_id integer yes The ID of a discussion note
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/issues/11/discussions/636"

Snippets

List project snippet discussion items

Gets a list of all discussion items for a single snippet.

GET /projects/:id/snippets/:snippet_id/discussions
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
[
  {
    "id": "6a9c1750b37d513a43987b574953fceb50b03ce7",
    "individual_note": false,
    "notes": [
      {
        "id": 1126,
        "type": "DiscussionNote",
        "body": "discussion text",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-03T21:54:39.668Z",
        "updated_at": "2018-03-03T21:54:39.668Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Snippet",
        "noteable_iid": null
      },
      {
        "id": 1129,
        "type": "DiscussionNote",
        "body": "reply to the discussion",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T13:38:02.127Z",
        "updated_at": "2018-03-04T13:38:02.127Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Snippet",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  },
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": true,
    "notes": [
      {
        "id": 1128,
        "type": null,
        "body": "a single comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Snippet",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  }
]
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions"

Get single snippet discussion item

Returns a single discussion item for a specific project snippet

GET /projects/:id/snippets/:snippet_id/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
discussion_id integer yes The ID of a discussion item
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions/<discussion_id>"

Create new snippet thread

Creates a new thread to a single project snippet. This is similar to creating a note but other comments (replies) can be added to it later.

POST /projects/:id/snippets/:snippet_id/discussions

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
body string yes The content of a discussion
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions?body=comment"

Add note to existing snippet thread

Adds a new note to the thread.

POST /projects/:id/snippets/:snippet_id/discussions/:discussion_id/notes

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions/<discussion_id>/notes?body=comment"

Modify existing snippet thread note

Modify existing thread note of a snippet.

PUT /projects/:id/snippets/:snippet_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions/<discussion_id>/notes/1108?body=comment"

Delete a snippet thread note

Deletes an existing thread note of a snippet.

DELETE /projects/:id/snippets/:snippet_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
snippet_id integer yes The ID of an snippet
discussion_id integer yes The ID of a discussion
note_id integer yes The ID of a discussion note
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/snippets/11/discussions/636"

Epics (ULTIMATE)

List group epic discussion items

Gets a list of all discussion items for a single epic.

GET /groups/:id/epics/:epic_id/discussions
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
[
  {
    "id": "6a9c1750b37d513a43987b574953fceb50b03ce7",
    "individual_note": false,
    "notes": [
      {
        "id": 1126,
        "type": "DiscussionNote",
        "body": "discussion text",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-03T21:54:39.668Z",
        "updated_at": "2018-03-03T21:54:39.668Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Epic",
        "noteable_iid": null,
        "resolvable": false
      },
      {
        "id": 1129,
        "type": "DiscussionNote",
        "body": "reply to the discussion",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T13:38:02.127Z",
        "updated_at": "2018-03-04T13:38:02.127Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Epic",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  },
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": true,
    "notes": [
      {
        "id": 1128,
        "type": null,
        "body": "a single comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Epic",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  }
]
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions"

Get single epic discussion item

Returns a single discussion item for a specific group epic

GET /groups/:id/epics/:epic_id/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
discussion_id integer yes The ID of a discussion item
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions/<discussion_id>"

Create new epic thread

Creates a new thread to a single group epic. This is similar to creating a note but other comments (replies) can be added to it later.

POST /groups/:id/epics/:epic_id/discussions

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
body string yes The content of the thread
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions?body=comment"

Add note to existing epic thread

Adds a new note to the thread. This can also create a thread from a single comment.

POST /groups/:id/epics/:epic_id/discussions/:discussion_id/notes

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions/<discussion_id>/notes?body=comment"

Modify existing epic thread note

Modify existing thread note of an epic.

PUT /groups/:id/epics/:epic_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of note/reply
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions/<discussion_id>/notes/1108?body=comment"

Delete an epic thread note

Deletes an existing thread note of an epic.

DELETE /groups/:id/epics/:epic_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the group
epic_id integer yes The ID of an epic
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/groups/5/epics/11/discussions/636"

Merge requests

List project merge request discussion items

Gets a list of all discussion items for a single merge request.

GET /projects/:id/merge_requests/:merge_request_iid/discussions
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
[
  {
    "id": "6a9c1750b37d513a43987b574953fceb50b03ce7",
    "individual_note": false,
    "notes": [
      {
        "id": 1126,
        "type": "DiscussionNote",
        "body": "discussion text",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-03T21:54:39.668Z",
        "updated_at": "2018-03-03T21:54:39.668Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Merge request",
        "noteable_iid": null,
        "resolved": false,
        "resolvable": true,
        "resolved_by": null,
        "resolved_at": null
      },
      {
        "id": 1129,
        "type": "DiscussionNote",
        "body": "reply to the discussion",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T13:38:02.127Z",
        "updated_at": "2018-03-04T13:38:02.127Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Merge request",
        "noteable_iid": null,
        "resolved": false,
        "resolvable": true,
        "resolved_by": null
      }
    ]
  },
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": true,
    "notes": [
      {
        "id": 1128,
        "type": null,
        "body": "a single comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Merge request",
        "noteable_iid": null,
        "resolved": false,
        "resolvable": true,
        "resolved_by": null
      }
    ]
  }
]

Diff comments also contain position:

[
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": false,
    "notes": [
      {
        "id": 1128,
        "type": "DiffNote",
        "body": "diff comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Merge request",
        "noteable_iid": null,
        "commit_id": "4803c71e6b1833ca72b8b26ef2ecd5adc8a38031",
        "position": {
          "base_sha": "b5d6e7b1613fca24d250fa8e5bc7bcc3dd6002ef",
          "start_sha": "7c9c2ead8a320fb7ba0b4e234bd9529a2614e306",
          "head_sha": "4803c71e6b1833ca72b8b26ef2ecd5adc8a38031",
          "old_path": "package.json",
          "new_path": "package.json",
          "position_type": "text",
          "old_line": 27,
          "new_line": 27,
          "line_range": {
            "start": {
              "line_code": "588440f66559714280628a4f9799f0c4eb880a4a_10_10",
              "type": "new"
            },
            "end": {
              "line_code": "588440f66559714280628a4f9799f0c4eb880a4a_11_11",
              "type": "old"
            }
          }
        },
        "resolved": false,
        "resolvable": true,
        "resolved_by": null
      }
    ]
  }
]
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions"

Get single merge request discussion item

Returns a single discussion item for a specific project merge request

GET /projects/:id/merge_requests/:merge_request_iid/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
discussion_id integer yes The ID of a discussion item
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/<discussion_id>"

Create new merge request thread

The commit id entry was introduced in GitLab 13.7.

Creates a new thread to a single project merge request. This is similar to creating a note but other comments (replies) can be added to it later.

POST /projects/:id/merge_requests/:merge_request_iid/discussions

Parameters for all comments:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
body string yes The content of the thread
commit_id string no SHA referencing commit to start this thread on
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
position hash no Position when creating a diff note
position[base_sha] string yes Base commit SHA in the source branch
position[start_sha] string yes SHA referencing commit in target branch
position[head_sha] string yes SHA referencing HEAD of this merge request
position[position_type] string yes Type of the position reference', allowed values: text or image
position[new_path] string yes (if the position type is text) File path after change
position[new_line] integer no Line number after change (for text diff notes)
position[old_path] string yes (if the position type is text) File path before change
position[old_line] integer no Line number before change (for text diff notes)
position[line_range] hash no Line range for a multi-line diff note
position[width] integer no Width of the image (for image diff notes)
position[height] integer no Height of the image (for image diff notes)
position[x] float no X coordinate (for image diff notes)
position[y] float no Y coordinate (for image diff notes)

Create a new thread on the overview page

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions?body=comment"

Create a new thread in the merge request diff

  • Both position[old_path] and position[new_path] are required and must refer to the file path before and after the change.
  • To create a thread on an added line (highlighted in green in the merge request diff), use position[new_line] and don't include position[old_line].
  • To create a thread on a removed line (highlighted in red in the merge request diff), use position[old_line] and don't include position[new_line].
  • To create a thread on an unchanged line, include both position[new_line] and position[old_line] for the line. These positions might not be the same if earlier changes in the file changed the line number. This is a bug that we plan to fix in GraphQL createDiffNote forces clients to compute redundant information (#325161).
  • If you specify incorrect base/head/start SHA parameters, you might run into the following bug: Merge request comments receive "download" link instead of inline code (#296829).

To create a new thread:

  1. Get the latest merge request version:

    curl --header "PRIVATE-TOKEN: <your_access_token>"\
      "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/versions"
    
  2. Note the details of the latest version, which is listed first in the response array.

    [
      {
        "id": 164560414,
        "head_commit_sha": "f9ce7e16e56c162edbc9e480108041cf6b0291fe",
        "base_commit_sha": "5e6dffa282c5129aa67cd227a0429be21bfdaf80",
        "start_commit_sha": "5e6dffa282c5129aa67cd227a0429be21bfdaf80",
        "created_at": "2021-03-30T09:18:27.351Z",
        "merge_request_id": 93958054,
        "state": "collected",
        "real_size": "2"
      },
      "previous versions are here"
    ]
    
  3. Create a new diff thread. This example creates a thread on an added line:

    curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
      --form 'position[position_type]=text'\
      --form 'position[base_sha]=<use base_commit_sha from the versions response>'\
      --form 'position[head_sha]=<use head_commit_sha from the versions response>'\
      --form 'position[start_sha]=<use start_commit_sha from the versions response>'\
      --form 'position[new_path]=file.js'\
      --form 'position[old_path]=file.js'\
      --form 'position[new_line]=18'\
      --form 'body=test comment body'\
      "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions"
    

Parameters for multiline comments

Parameters for multiline comments only:

Attribute Type Required Description
position[line_range][start] hash no Multiline note starting line
position[line_range][start][line_code] string yes Line code for the start line
position[line_range][start][type] string yes Use new for lines added by this commit, otherwise old.
position[line_range][end] hash no Multiline note ending line
position[line_range][end][line_code] string yes Line code for the end line
position[line_range][end][type] string yes Use new for lines added by this commit, otherwise old.

Line code

A line code is of the form <SHA>_<old>_<new>, like this: adc83b19e793491b1c6ea0fd8b46cd9f32e292fc_5_5

  • <SHA> is the SHA1 hash of the filename.
  • <old> is the line number before the change.
  • <new> is the line number after the change.

For example, if a commit (<COMMIT_ID>) deletes line 463 in the README, you can comment on the deletion by referencing line 463 in the old file:

curl --request POST --header "PRIVATE-TOKEN: [ACCESS_TOKEN]"\
  --form "note=Very clever to remove this unnecessary line!"\
  --form "path=README" --form "line=463" --form "line_type=old"\
  "https://gitlab.com/api/v4/projects/47/repository/commits/<COMMIT_ID>/comments"

If a commit (<COMMIT_ID>) adds line 157 to hello.rb, you can comment on the addition by referencing line 157 in the new file:

curl --request POST --header "PRIVATE-TOKEN: [ACCESS_TOKEN]"\
  --form "note=This is brilliant!" --form "path=hello.rb"\
  --form "line=157" --form "line_type=new"\
  "https://gitlab.com/api/v4/projects/47/repository/commits/<COMMIT_ID>/comments"

Resolve a merge request thread

Resolve or unresolve a thread of discussion in a merge request.

Prerequisite:

  • You must have at least the Developer role, or be the author of the change being reviewed.
PUT /projects/:id/merge_requests/:merge_request_iid/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
discussion_id integer yes The ID of a thread
resolved boolean yes Resolve/unresolve the discussion
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/<discussion_id>?resolved=true"

Add note to existing merge request thread

Adds a new note to the thread. This can also create a thread from a single comment.

POST /projects/:id/merge_requests/:merge_request_iid/discussions/:discussion_id/notes

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/<discussion_id>/notes?body=comment"

Modify an existing merge request thread note

Modify or resolve an existing thread note of a merge request.

PUT /projects/:id/merge_requests/:merge_request_iid/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string no The content of the note/reply (exactly one of body or resolved must be set
resolved boolean no Resolve/unresolve the note (exactly one of body or resolved must be set
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/<discussion_id>/notes/1108?body=comment"

Resolving a note:

curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/<discussion_id>/notes/1108?resolved=true"

Delete a merge request thread note

Deletes an existing thread note of a merge request.

DELETE /projects/:id/merge_requests/:merge_request_iid/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
merge_request_iid integer yes The IID of a merge request
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/discussions/636"

Commits

List project commit discussion items

Gets a list of all discussion items for a single commit.

GET /projects/:id/commits/:commit_id/discussions
Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id integer yes The ID of a commit
[
  {
    "id": "6a9c1750b37d513a43987b574953fceb50b03ce7",
    "individual_note": false,
    "notes": [
      {
        "id": 1126,
        "type": "DiscussionNote",
        "body": "discussion text",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-03T21:54:39.668Z",
        "updated_at": "2018-03-03T21:54:39.668Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Commit",
        "noteable_iid": null,
        "resolvable": false
      },
      {
        "id": 1129,
        "type": "DiscussionNote",
        "body": "reply to the discussion",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T13:38:02.127Z",
        "updated_at": "2018-03-04T13:38:02.127Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Commit",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  },
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": true,
    "notes": [
      {
        "id": 1128,
        "type": null,
        "body": "a single comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Commit",
        "noteable_iid": null,
        "resolvable": false
      }
    ]
  }
]

Diff comments contain also position:

[
  {
    "id": "87805b7c09016a7058e91bdbe7b29d1f284a39e6",
    "individual_note": false,
    "notes": [
      {
        "id": 1128,
        "type": "DiffNote",
        "body": "diff comment",
        "attachment": null,
        "author": {
          "id": 1,
          "name": "root",
          "username": "root",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/00afb8fb6ab07c3ee3e9c1f38777e2f4?s=80&d=identicon",
          "web_url": "http://localhost:3000/root"
        },
        "created_at": "2018-03-04T09:17:22.520Z",
        "updated_at": "2018-03-04T09:17:22.520Z",
        "system": false,
        "noteable_id": 3,
        "noteable_type": "Commit",
        "noteable_iid": null,
        "position": {
          "base_sha": "b5d6e7b1613fca24d250fa8e5bc7bcc3dd6002ef",
          "start_sha": "7c9c2ead8a320fb7ba0b4e234bd9529a2614e306",
          "head_sha": "4803c71e6b1833ca72b8b26ef2ecd5adc8a38031",
          "old_path": "package.json",
          "new_path": "package.json",
          "position_type": "text",
          "old_line": 27,
          "new_line": 27
        },
        "resolvable": false
      }
    ]
  }
]
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions"

Get single commit discussion item

Returns a single discussion item for a specific project commit

GET /projects/:id/commits/:commit_id/discussions/:discussion_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id integer yes The ID of a commit
discussion_id integer yes The ID of a discussion item
curl --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions/<discussion_id>"

Create new commit thread

Creates a new thread to a single project commit. This is similar to creating a note but other comments (replies) can be added to it later.

POST /projects/:id/commits/:commit_id/discussions

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id string yes The SHA of a commit
body string yes The content of the thread
created_at string no Date time string, ISO 8601 formatted, such as 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
position hash no Position when creating a diff note
position[base_sha] string yes SHA of the parent commit
position[start_sha] string yes SHA of the parent commit
position[head_sha] string yes The SHA of this commit (same as commit_id)
position[position_type] string yes Type of the position reference', allowed values: text or image
position[new_path] string no File path after change
position[new_line] integer no Line number after change
position[old_path] string no File path before change
position[old_line] integer no Line number before change
position[width] integer no Width of the image (for image diff notes)
position[height] integer no Height of the image (for image diff notes)
position[x] integer no X coordinate (for image diff notes)
position[y] integer no Y coordinate (for image diff notes)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions?body=comment"

The rules for creating the API request are the same as when creating a new thread in the merge request diff, with the exception of base_sha, start_sha, and head_sha attributes.

Add note to existing commit thread

Adds a new note to the thread.

POST /projects/:id/commits/:commit_id/discussions/:discussion_id/notes

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id integer yes The ID of a commit
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string yes The content of the note/reply
created_at string no Date time string, ISO 8601 formatted, such 2016-03-11T03:45:40Z (requires administrator or project/group owner rights)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions/<discussion_id>/notes?body=comment

Modify an existing commit thread note

Modify or resolve an existing thread note of a commit.

PUT /projects/:id/commits/:commit_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id integer yes The ID of a commit
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
body string no The content of a note
curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions/<discussion_id>/notes/1108?body=comment"

Resolving a note:

curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions/<discussion_id>/notes/1108?resolved=true"

Delete a commit thread note

Deletes an existing thread note of a commit.

DELETE /projects/:id/commits/:commit_id/discussions/:discussion_id/notes/:note_id

Parameters:

Attribute Type Required Description
id integer/string yes The ID or URL-encoded path of the project
commit_id integer yes The ID of a commit
discussion_id integer yes The ID of a thread
note_id integer yes The ID of a thread note
curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>"\
  "https://gitlab.example.com/api/v4/projects/5/commits/11/discussions/636"