---
title: "List all merge requests that close an issue on merge"
method: GET
path: "/api/v4/projects/{id}/issues/{issue_iid}/closed_by"
tags: ["projects"]
---

# List all merge requests that close an issue on merge

`GET /api/v4/projects/{id}/issues/{issue_iid}/closed_by`

## Request

- Base URL: `https://gitlab.com`
- URL: `https://gitlab.com/api/v4/projects/{id}/issues/{issue_iid}/closed_by`
- Auth: none declared

Lists all merge requests that close a specified issue when merged. If the project is private or the issue is confidential, you need to provide credentials to authorize. In most cases, you should authenticate with a personal access token.

## Path parameters

- `id` string, required
- `issue_iid` integer, required

## Response `200`

List all merge requests that close an issue on merge

- APIEntitiesMergeRequestBasic: API_Entities_MergeRequestBasic model
  - `id` integer, required
  - `iid` integer, required
  - `project_id` integer, required
  - `title` string, required
  - `description` string, required
  - `state` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `merged_by` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `merge_user` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `merged_at` string, date-time, required
  - `closed_by` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `closed_at` string, date-time, required
  - `title_html` string
  - `description_html` string
  - `target_branch` string, required
  - `source_branch` string, required
  - `user_notes_count` integer, required
  - `upvotes` integer, required
  - `downvotes` integer, required
  - `author` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `assignees` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `assignee` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `reviewers` APIEntitiesUserBasic, required: API_Entities_UserBasic model
    - `id` integer, required
    - `username` string, required
    - `public_email` string, required
    - `name` string, required
    - `state` string, required
    - `locked` boolean, required
    - `avatar_url` string, required
    - `avatar_path` string
    - `custom_attributes` APIEntitiesCustomAttribute[]
      - `key` string, required
      - `value` string, required
    - `web_url` string, required
  - `source_project_id` integer, required
  - `target_project_id` integer, required
  - `labels` string[], required
  - `draft` boolean, required
  - `imported` boolean, required
  - `imported_from` string, required
  - `work_in_progress` boolean, required
  - `milestone` APIEntitiesMilestone, required
    - `id` integer, required
    - `iid` integer, required
    - `project_id` integer
    - `group_id` string
    - `title` string, required
    - `description` string, required
    - `state` string, required
    - `created_at` string, required
    - `updated_at` string, required
    - `due_date` string, required
    - `start_date` string, required
    - `expired` boolean, required
    - `web_url` string, required
  - `merge_when_pipeline_succeeds` boolean, required
  - `merge_status` string, required
  - `detailed_merge_status` string, required
  - `merge_after` string, date-time, required
  - `sha` string, required
  - `merge_commit_sha` string, required
  - `squash_commit_sha` string, required
  - `discussion_locked` boolean, required
  - `should_remove_source_branch` boolean, required
  - `force_remove_source_branch` boolean, required
  - `prepared_at` string, date-time, required
  - `allow_collaboration` boolean
  - `allow_maintainer_to_push` boolean
  - `reference` string, required
  - `references` APIEntitiesIssuableReferences, required
    - `short` string, required
    - `relative` string, required
    - `full` string, required
  - `web_url` string, required
  - `time_stats` APIEntitiesIssuableTimeStats, required: API_Entities_IssuableTimeStats model
    - `time_estimate` integer, required
    - `total_time_spent` integer, required
    - `human_time_estimate` string, required
    - `human_total_time_spent` string, required
  - `squash` boolean, required
  - `squash_on_merge` boolean, required
  - `task_completion_status` APIEntitiesTaskCompletionStatus, required
    - `count` integer, required
    - `completed_count` integer, required
  - `has_conflicts` boolean, required
  - `blocking_discussions_resolved` boolean, required
  - `approvals_before_merge` integer, required

---

[API](https://skmtc.dev/gitlab/apis/gitlab-api.md) - [All operations](https://skmtc.dev/gitlab/apis/gitlab-api/llms.txt) - [OpenAPI document](https://skmtc.dev/gitlab/apis/gitlab-api/revisions/b234947ef3f2?raw)