Merge request approvals API

Changing approval configuration with the /approvals endpoint was deprecated in GitLab 12.3.

Configuration for approvals on all merge requests in the project. Must be authenticated for all endpoints.

Project-level MR approvals

Get Configuration

Version history

Moved to GitLab Premium in 13.9.
The approvers and approver_groups fields were deprecated in GitLab 12.3 and always return empty. Use the project level approval rules to access this information.

You can request information about a project’s approval configuration using the following endpoint:

GET /projects/:id/approvals

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.

{
  "approvers": [], // Deprecated in GitLab 12.3, always returns empty
  "approver_groups": [], // Deprecated in GitLab 12.3, always returns empty
  "approvals_before_merge": 2,
  "reset_approvals_on_push": true,
  "selective_code_owner_removals": false,
  "disable_overriding_approvers_per_merge_request": false,
  "merge_requests_author_approval": true,
  "merge_requests_disable_committers_approval": false,
  "require_password_to_approve": true
}

Change configuration

Moved to GitLab Premium in 13.9.

If you are allowed to, you can change approval configuration using the following endpoint:

POST /projects/:id/approvals

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approvals_before_merge` (deprecated)	integer	No	How many approvals are required before a merge request can be merged. Deprecated in GitLab 12.3.
`disable_overriding_approvers_per_merge_request`	boolean	No	Allow or prevent overriding approvers per merge request.
`merge_requests_author_approval`	boolean	No	Allow or prevent authors from self approving merge requests; `true` means authors can self approve.
`merge_requests_disable_committers_approval`	boolean	No	Allow or prevent committers from self approving merge requests.
`require_password_to_approve`	boolean	No	Require approver to enter a password to authenticate before adding the approval.
`reset_approvals_on_push`	boolean	No	Reset approvals on a new push.
`selective_code_owner_removals`	boolean	No	Reset approvals from Code Owners if their files changed. Can be enabled only if `reset_approvals_on_push` is disabled.

{
  "approvals_before_merge": 2,
  "reset_approvals_on_push": true,
  "selective_code_owner_removals": false,
  "disable_overriding_approvers_per_merge_request": false,
  "merge_requests_author_approval": false,
  "merge_requests_disable_committers_approval": false,
  "require_password_to_approve": true
}

Get project-level rules

Version history

Moved to GitLab Premium in 13.9.
Pagination support introduced in GitLab 15.3 with a flag named approval_rules_pagination. Enabled by default.
applies_to_all_protected_branches property was introduced in GitLab 15.3.
Pagination support generally available in GitLab 15.7. Feature flag approval_rules_pagination removed.
usernames property was introduced in GitLab 15.8.

You can request information about a project’s approval rules using the following endpoint:

GET /projects/:id/approval_rules

Use the page and per_page pagination parameters to restrict the list of approval rules.

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.

[
  {
    "id": 1,
    "name": "security",
    "rule_type": "regular",
    "eligible_approvers": [
      {
        "id": 5,
        "name": "John Doe",
        "username": "jdoe",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/jdoe"
      },
      {
        "id": 50,
        "name": "Group Member 1",
        "username": "group_member_1",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/group_member_1"
      }
    ],
    "approvals_required": 3,
    "users": [
      {
        "id": 5,
        "name": "John Doe",
        "username": "jdoe",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/jdoe"
      }
    ],
    "groups": [
      {
        "id": 5,
        "name": "group1",
        "path": "group1",
        "description": "",
        "visibility": "public",
        "lfs_enabled": false,
        "avatar_url": null,
        "web_url": "http://localhost/groups/group1",
        "request_access_enabled": false,
        "full_name": "group1",
        "full_path": "group1",
        "parent_id": null,
        "ldap_cn": null,
        "ldap_access": null
      }
    ],
    "applies_to_all_protected_branches": false,
    "protected_branches": [
      {
        "id": 1,
        "name": "master",
        "push_access_levels": [
          {
            "access_level": 30,
            "access_level_description": "Developers + Maintainers"
          }
        ],
        "merge_access_levels": [
          {
            "access_level": 30,
            "access_level_description": "Developers + Maintainers"
          }
        ],
        "unprotect_access_levels": [
          {
            "access_level": 40,
            "access_level_description": "Maintainers"
          }
        ],
        "code_owner_approval_required": "false"
      }
    ],
    "contains_hidden_groups": false
  }
]

Get a single project-level rule

Version history

Introduced in GitLab 13.7.
applies_to_all_protected_branches property was introduced in GitLab 15.3.
usernames property was introduced in GitLab 1x.x.

You can request information about a single project approval rules using the following endpoint:

GET /projects/:id/approval_rules/:approval_rule_id

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approval_rule_id`	integer	Yes	The ID of a approval rule.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 5,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 3,
  "users": [
    {
      "id": 5,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "applies_to_all_protected_branches": false,
  "protected_branches": [
    {
      "id": 1,
      "name": "master",
      "push_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "merge_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "unprotect_access_levels": [
        {
          "access_level": 40,
          "access_level_description": "Maintainers"
        }
      ],
      "code_owner_approval_required": "false"
    }
  ],
  "contains_hidden_groups": false
}

Create project-level rule

Version history

Moved to GitLab Premium in 13.9.
Removed the Vulnerability-Check feature in GitLab 15.0.
applies_to_all_protected_branches property was introduced in GitLab 15.3.
usernames property was introduced in GitLab 1x.x.

You can create project approval rules using the following endpoint:

POST /projects/:id/approval_rules

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approvals_required`	integer	Yes	The number of required approvals for this rule.
`name`	string	Yes	The name of the approval rule.
`applies_to_all_protected_branches`	boolean	No	Whether the rule is applied to all protected branches. If set to `true`, the value of `protected_branch_ids` is ignored. Default is `false`. Introduced in GitLab 15.3.
`group_ids`	Array	No	The IDs of groups as approvers.
`protected_branch_ids`	Array	No	The IDs of protected branches to scope the rule by. To identify the ID, use the API.
`report_type`	string	No	The report type required when the rule type is `report_approver`. The supported report types are `license_scanning` and `code_coverage`.
`rule_type`	string	No	The type of rule. `any_approver` is a pre-configured default rule with `approvals_required` at `0`. Other rules are `regular`.
`user_ids`	Array	No	The IDs of users as approvers.
`usernames`	string array	No	The usernames for this rule.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 1,
  "users": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "applies_to_all_protected_branches": false,
  "protected_branches": [
    {
      "id": 1,
      "name": "master",
      "push_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "merge_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "unprotect_access_levels": [
        {
          "access_level": 40,
          "access_level_description": "Maintainers"
        }
      ],
      "code_owner_approval_required": "false"
    }
  ],
  "contains_hidden_groups": false
}

You can increase the default number of 0 required approvers like this:

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" \
  --header 'Content-Type: application/json' \
  --data '{"name": "Any name", "rule_type": "any_approver", "approvals_required": 2}'

Another example is creating an additional, user-specific rule:

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" \
  --header 'Content-Type: application/json' \
  --data '{"name": "Name of your rule", "approvals_required": 3, "user_ids": [123, 456, 789]}' \
  https://gitlab.example.com/api/v4/projects/<project_id>/approval_rules

Update project-level rule

Version history

Moved to GitLab Premium in 13.9.
Removed the Vulnerability-Check feature in GitLab 15.0.
applies_to_all_protected_branches property was introduced in GitLab 15.3.
usernames property was introduced in GitLab 1x.x.

You can update project approval rules using the following endpoint:

PUT /projects/:id/approval_rules/:approval_rule_id

Important: Approvers and groups not in the users/groups parameters are removed

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approvals_required`	integer	Yes	The number of required approvals for this rule.
`approval_rule_id`	integer	Yes	The ID of a approval rule.
`name`	string	Yes	The name of the approval rule.
`applies_to_all_protected_branches`	boolean	No	Whether the rule is applied to all protected branches. If set to `true`, the value of `protected_branch_ids` is ignored. Default is `false`. Introduced in GitLab 15.3.
`group_ids`	Array	No	The IDs of groups as approvers.
`protected_branch_ids`	Array	No	The IDs of protected branches to scope the rule by. To identify the ID, use the API.
`remove_hidden_groups`	boolean	No	Whether hidden groups should be removed.
`user_ids`	Array	No	The IDs of users as approvers.
`usernames`	string array	No	The usernames for this rule.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 1,
  "users": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "applies_to_all_protected_branches": false,
  "protected_branches": [
    {
      "id": 1,
      "name": "master",
      "push_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "merge_access_levels": [
        {
          "access_level": 30,
          "access_level_description": "Developers + Maintainers"
        }
      ],
      "unprotect_access_levels": [
        {
          "access_level": 40,
          "access_level_description": "Maintainers"
        }
      ],
      "code_owner_approval_required": "false"
    }
  ],
  "contains_hidden_groups": false
}

Delete project-level rule

Moved to GitLab Premium in 13.9.

You can delete project approval rules using the following endpoint:

DELETE /projects/:id/approval_rules/:approval_rule_id

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approval_rule_id`	integer	Yes	The ID of a approval rule.

Merge request-level MR approvals

Configuration for approvals on a specific merge request. Must be authenticated for all endpoints.

Get Configuration

Moved to GitLab Premium in 13.9.

You can request information about a merge request’s approval status using the following endpoint:

GET /projects/:id/merge_requests/:merge_request_iid/approvals

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`merge_request_iid`	integer	Yes	The IID of the merge request.

{
  "id": 5,
  "iid": 5,
  "project_id": 1,
  "title": "Approvals API",
  "description": "Test",
  "state": "opened",
  "created_at": "2016-06-08T00:19:52.638Z",
  "updated_at": "2016-06-08T21:20:42.470Z",
  "merge_status": "cannot_be_merged",
  "approvals_required": 2,
  "approvals_left": 1,
  "approved_by": [
    {
      "user": {
        "name": "Administrator",
        "username": "root",
        "id": 1,
        "state": "active",
        "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
        "web_url": "http://localhost:3000/root"
      }
    }
  ]
}

Change approval configuration (deprecated)

Version history

Moved to GitLab Premium in GitLab 13.9.
Endpoint /approvals deprecated in GitLab 12.3.

The /approvals endpoint was deprecated in GitLab 12.3 and is planned for removal in 16.0. To change the approvals required for a merge request, use the /approval_rules endpoint described in Create merge request level rule. on this page. This change is a breaking change.

If you are allowed to, you can change approvals_required using the following endpoint:

POST /projects/:id/merge_requests/:merge_request_iid/approvals

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approvals_required`	integer	Yes	Approvals required before MR can be merged.
`merge_request_iid`	integer	Yes	The IID of the merge request.

{
  "id": 5,
  "iid": 5,
  "project_id": 1,
  "title": "Approvals API",
  "description": "Test",
  "state": "opened",
  "created_at": "2016-06-08T00:19:52.638Z",
  "updated_at": "2016-06-08T21:20:42.470Z",
  "merge_status": "cannot_be_merged",
  "approvals_required": 2,
  "approvals_left": 2,
  "approved_by": []
}

Get the approval state of merge requests

Moved to GitLab Premium in 13.9.

You can request information about a merge request’s approval state by using the following endpoint:

GET /projects/:id/merge_requests/:merge_request_iid/approval_state

The approval_rules_overwritten are true if the merge request level rules are created for the merge request. If there are none, it is false.

This includes additional information about the users who have already approved (approved_by) and whether a rule is already approved (approved).

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`merge_request_iid`	integer	Yes	The IID of the merge request.

{
  "approval_rules_overwritten": true,
  "rules": [
    {
      "id": 1,
      "name": "Ruby",
      "rule_type": "regular",
      "eligible_approvers": [
        {
          "id": 4,
          "name": "John Doe",
          "username": "jdoe",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
          "web_url": "http://localhost/jdoe"
        }
      ],
      "approvals_required": 2,
      "users": [
        {
          "id": 4,
          "name": "John Doe",
          "username": "jdoe",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
          "web_url": "http://localhost/jdoe"
        }
      ],
      "groups": [],
      "contains_hidden_groups": false,
      "approved_by": [
        {
          "id": 4,
          "name": "John Doe",
          "username": "jdoe",
          "state": "active",
          "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
          "web_url": "http://localhost/jdoe"
        }
      ],
      "source_rule": null,
      "approved": true,
      "overridden": false
    }
  ]
}

Get merge request level rules

Version history

Moved to GitLab Premium in 13.9.
Pagination support introduced in GitLab 15.3 with a flag named approval_rules_pagination. Enabled by default.
Pagination support generally available in GitLab 15.7. Feature flag approval_rules_pagination removed.

You can request information about a merge request’s approval rules using the following endpoint:

GET /projects/:id/merge_requests/:merge_request_iid/approval_rules

Use the page and per_page pagination parameters to restrict the list of approval rules.

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`merge_request_iid`	integer	Yes	The IID of the merge request.

[
  {
    "id": 1,
    "name": "security",
    "rule_type": "regular",
    "eligible_approvers": [
      {
        "id": 5,
        "name": "John Doe",
        "username": "jdoe",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/jdoe"
      },
      {
        "id": 50,
        "name": "Group Member 1",
        "username": "group_member_1",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/group_member_1"
      }
    ],
    "approvals_required": 3,
    "source_rule": null,
    "users": [
      {
        "id": 5,
        "name": "John Doe",
        "username": "jdoe",
        "state": "active",
        "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
        "web_url": "http://localhost/jdoe"
      }
    ],
    "groups": [
      {
        "id": 5,
        "name": "group1",
        "path": "group1",
        "description": "",
        "visibility": "public",
        "lfs_enabled": false,
        "avatar_url": null,
        "web_url": "http://localhost/groups/group1",
        "request_access_enabled": false,
        "full_name": "group1",
        "full_path": "group1",
        "parent_id": null,
        "ldap_cn": null,
        "ldap_access": null
      }
    ],
    "contains_hidden_groups": false,
    "overridden": false
  }
]

Get a single merge request level rule

Introduced in GitLab 14.10.

You can request information about a single merge request approval rule using the following endpoint:

GET /projects/:id/merge_requests/:merge_request_iid/approval_rules/:approval_rule_id

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approval_rule_id`	integer	Yes	The ID of an approval rule.
`merge_request_iid`	integer	Yes	The IID of a merge request.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 5,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 3,
  "source_rule": null,
  "users": [
    {
      "id": 5,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "contains_hidden_groups": false,
  "overridden": false
}

Create merge request level rule

Moved to GitLab Premium in 13.9.

You can create merge request approval rules using the following endpoint:

POST /projects/:id/merge_requests/:merge_request_iid/approval_rules

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project
`approvals_required`	integer	Yes	The number of required approvals for this rule.
`merge_request_iid`	integer	Yes	The IID of the merge request.
`name`	string	Yes	The name of the approval rule.
`approval_project_rule_id`	integer	No	The ID of a project-level approval rule.
`group_ids`	Array	No	The IDs of groups as approvers.
`user_ids`	Array	No	The IDs of users as approvers.
`usernames`	string array	No	The usernames for this rule.

Important: When approval_project_rule_id is set, the name, users and groups of project-level rule are copied. The approvals_required specified is used.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 1,
  "source_rule": null,
  "users": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "contains_hidden_groups": false,
  "overridden": false
}

Update merge request level rule

Moved to GitLab Premium in 13.9.

You can update merge request approval rules using the following endpoint:

PUT /projects/:id/merge_requests/:merge_request_iid/approval_rules/:approval_rule_id

Important: Approvers and groups not in the users/groups parameters are removed

Important: Updating a report_approver or code_owner rule is not allowed. These are system generated rules.

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approvals_required`	integer	Yes	The number of required approvals for this rule.
`approval_rule_id`	integer	Yes	The ID of an approval rule.
`merge_request_iid`	integer	Yes	The IID of a merge request.
`name`	string	Yes	The name of the approval rule.
`group_ids`	Array	No	The IDs of groups as approvers.
`remove_hidden_groups`	boolean	No	Whether hidden groups should be removed.
`user_ids`	Array	No	The IDs of users as approvers.
`usernames`	string array	No	The usernames for this rule.

{
  "id": 1,
  "name": "security",
  "rule_type": "regular",
  "eligible_approvers": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    },
    {
      "id": 50,
      "name": "Group Member 1",
      "username": "group_member_1",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/group_member_1"
    }
  ],
  "approvals_required": 1,
  "source_rule": null,
  "users": [
    {
      "id": 2,
      "name": "John Doe",
      "username": "jdoe",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/0?s=80&d=identicon",
      "web_url": "http://localhost/jdoe"
    }
  ],
  "groups": [
    {
      "id": 5,
      "name": "group1",
      "path": "group1",
      "description": "",
      "visibility": "public",
      "lfs_enabled": false,
      "avatar_url": null,
      "web_url": "http://localhost/groups/group1",
      "request_access_enabled": false,
      "full_name": "group1",
      "full_path": "group1",
      "parent_id": null,
      "ldap_cn": null,
      "ldap_access": null
    }
  ],
  "contains_hidden_groups": false,
  "overridden": false
}

Delete merge request level rule

Moved to GitLab Premium in 13.9.

You can delete merge request approval rules using the following endpoint:

DELETE /projects/:id/merge_requests/:merge_request_iid/approval_rules/:approval_rule_id

Important: Deleting a report_approver or code_owner rule is not allowed. These are system generated rules.

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approval_rule_id`	integer	Yes	The ID of an approval rule.
`merge_request_iid`	integer	Yes	The IID of the merge request.

Approve merge request

Moved to GitLab Premium in 13.9.

If you are allowed to, you can approve a merge request using the following endpoint:

POST /projects/:id/merge_requests/:merge_request_iid/approve

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`approval_password`	string	No	Current user’s password. Required if Require user password to approve is enabled in the project settings.
`merge_request_iid`	integer	Yes	The IID of the merge request.
`sha`	string	No	The `HEAD` of the merge request.

The sha parameter works in the same way as when accepting a merge request: if it is passed, then it must match the current HEAD of the merge request for the approval to be added. If it does not match, the response code is 409.

{
  "id": 5,
  "iid": 5,
  "project_id": 1,
  "title": "Approvals API",
  "description": "Test",
  "state": "opened",
  "created_at": "2016-06-08T00:19:52.638Z",
  "updated_at": "2016-06-09T21:32:14.105Z",
  "merge_status": "can_be_merged",
  "approvals_required": 2,
  "approvals_left": 0,
  "approved_by": [
    {
      "user": {
        "name": "Administrator",
        "username": "root",
        "id": 1,
        "state": "active",
        "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
        "web_url": "http://localhost:3000/root"
      }
    },
    {
      "user": {
        "name": "Nico Cartwright",
        "username": "ryley",
        "id": 2,
        "state": "active",
        "avatar_url": "http://www.gravatar.com/avatar/cf7ad14b34162a76d593e3affca2adca?s=80\u0026d=identicon",
        "web_url": "http://localhost:3000/ryley"
      }
    }
  ]
}

Unapprove merge request

Moved to GitLab Premium in 13.9.

If you did approve a merge request, you can unapprove it using the following endpoint:

POST /projects/:id/merge_requests/:merge_request_iid/unapprove

Supported attributes:

Attribute	Type	Required	Description
`id`	integer or string	Yes	The ID or URL-encoded path of a project.
`merge_request_iid`	integer	Yes	The IID of a merge request.

Merge request approvals API

Project-level MR approvals

Get Configuration

Change configuration

Get project-level rules

Get a single project-level rule

Create project-level rule

Update project-level rule

Delete project-level rule

Merge request-level MR approvals

Get Configuration

Change approval configuration (deprecated)

Get the approval state of merge requests

Get merge request level rules

Get a single merge request level rule

Create merge request level rule

Update merge request level rule

Delete merge request level rule

Approve merge request

Unapprove merge request

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