gitlab-org--gitlab-foss/doc/api/merge_request_approvals.md
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# Merge request approvals API **(STARTER)**
Configuration for approvals on all Merge Requests (MR) in the project. Must be authenticated for all endpoints.
## Project-level MR approvals
### Get Configuration
>**Note:** This API endpoint is only available on 10.6 Starter and above.
You can request information about a project's approval configuration using the
following endpoint:
```
GET /projects/:id/approvals
```
**Parameters:**
| Attribute | Type | Required | Description |
| --------- | ------- | -------- | ------------------- |
| `id` | integer | yes | The ID of a project |
```json
{
"approvers": [
{
"user": {
"id": 5,
"name": "John Doe6",
"username": "user5",
"state":"active","avatar_url":"https://www.gravatar.com/avatar/4aea8cf834ed91844a2da4ff7ae6b491?s=80\u0026d=identicon","web_url":"http://localhost/user5"
}
}
],
"approver_groups": [
{
"group": {
"id": 1,
"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
}
}
],
"approvals_before_merge": 2,
"reset_approvals_on_push": true,
"disable_overriding_approvers_per_merge_request": false
}
```
### Change configuration
>**Note:** This API endpoint is only available on 10.6 Starter and above.
If you are allowed to, you can change approval configuration using the following
endpoint:
```
POST /projects/:id/approvals
```
**Parameters:**
| Attribute | Type | Required | Description |
| ------------------------------------------------ | ------- | -------- | ---------------------------------------------------------- |
| `id` | integer | yes | The ID of a project |
| `approvals_before_merge` | integer | no | How many approvals are required before an MR can be merged |
| `reset_approvals_on_push` | boolean | no | Reset approvals on a new push |
| `disable_overriding_approvers_per_merge_request` | boolean | no | Allow/Disallow overriding approvers per MR |
| `merge_requests_author_approval` | boolean | no | Allow/Disallow authors be able to self approve merge requests |
```json
{
"approvers": [
{
"user": {
"id": 5,
"name": "John Doe6",
"username": "user5",
"state":"active","avatar_url":"https://www.gravatar.com/avatar/4aea8cf834ed91844a2da4ff7ae6b491?s=80\u0026d=identicon","web_url":"http://localhost/user5"
}
}
],
"approver_groups": [
{
"group": {
"id": 1,
"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
}
}
],
"approvals_before_merge": 2,
"reset_approvals_on_push": true,
"disable_overriding_approvers_per_merge_request": false,
"merge_requests_author_approval": false
}
```
### Change allowed approvers
>**Note:** This API endpoint is only available on 10.6 Starter and above.
If you are allowed to, you can change approvers and approver groups using
the following endpoint:
```
PUT /projects/:id/approvers
```
**Important:** Approvers and groups not in the request will be **removed**
**Parameters:**
| Attribute | Type | Required | Description |
| -------------------- | ------- | -------- | --------------------------------------------------- |
| `id` | integer | yes | The ID of a project |
| `approver_ids` | Array | yes | An array of User IDs that can approve MRs |
| `approver_group_ids` | Array | yes | An array of Group IDs whose members can approve MRs |
```json
{
"approvers": [
{
"user": {
"id": 5,
"name": "John Doe6",
"username": "user5",
"state":"active","avatar_url":"https://www.gravatar.com/avatar/4aea8cf834ed91844a2da4ff7ae6b491?s=80\u0026d=identicon","web_url":"http://localhost/user5"
}
}
],
"approver_groups": [
{
"group": {
"id": 1,
"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
}
}
],
"approvals_before_merge": 2,
"reset_approvals_on_push": true,
"disable_overriding_approvers_per_merge_request": false
}
```
## Merge Request-level MR approvals
Configuration for approvals on a specific Merge Request. Must be authenticated for all endpoints.
### Get Configuration
>**Note:** This API endpoint is only available on 8.9 Starter and above.
You can request information about a merge request's approval status using the
following endpoint:
```
GET /projects/:id/merge_requests/:merge_request_iid/approvals
```
**Parameters:**
| Attribute | Type | Required | Description |
|---------------------|---------|----------|---------------------|
| `id` | integer | yes | The ID of a project |
| `merge_request_iid` | integer | yes | The IID of MR |
```json
{
"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"
}
}
],
"approvers": [],
"approver_groups": []
}
```
### Change approval configuration
>**Note:** This API endpoint is only available on 10.6 Starter and above.
If you are allowed to, you can change `approvals_required` using the following
endpoint:
```
POST /projects/:id/merge_requests/:merge_request_iid/approvals
```
**Parameters:**
| Attribute | Type | Required | Description |
|----------------------|---------|----------|--------------------------------------------|
| `id` | integer | yes | The ID of a project |
| `merge_request_iid` | integer | yes | The IID of MR |
| `approvals_required` | integer | yes | Approvals required before MR can be merged |
```json
{
"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": [],
"approvers": [],
"approver_groups": []
}
```
### Change allowed approvers for Merge Request
>**Note:** This API endpoint is only available on 10.6 Starter and above.
If you are allowed to, you can change approvers and approver groups using
the following endpoint:
```
PUT /projects/:id/merge_requests/:merge_request_iid/approvers
```
**Important:** Approvers and groups not in the request will be **removed**
**Parameters:**
| Attribute | Type | Required | Description |
|----------------------|---------|----------|-----------------------------------------------------------|
| `id` | integer | yes | The ID of a project |
| `merge_request_iid` | integer | yes | The IID of MR |
| `approver_ids` | Array | yes | An array of User IDs that can approve the MR |
| `approver_group_ids` | Array | yes | An array of Group IDs whose members can approve the MR |
```json
{
"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": [],
"approvers": [
{
"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"
}
}
],
"approver_groups": [
{
"group": {
"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
}
}
]
}
```
## Approve Merge Request
>**Note:** This API endpoint is only available on 8.9 Starter and above.
If you are allowed to, you can approve a merge request using the following
endpoint:
```
POST /projects/:id/merge_requests/:merge_request_iid/approve
```
**Parameters:**
| Attribute | Type | Required | Description |
|---------------------|---------|----------|-------------------------|
| `id` | integer | yes | The ID of a project |
| `merge_request_iid` | integer | yes | The IID of MR |
| `sha` | string | no | The HEAD of the MR |
| `approval_password` **(STARTER)** | string | no | Current user's password. Required if [**Require user password to approve**](../user/project/merge_requests/merge_request_approvals.md#require-authentication-when-approving-a-merge-request-starter) is enabled in the project settings. |
The `sha` parameter works in the same way as
when [accepting a merge request](merge_requests.md#accept-mr): 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 will be `409`.
```json
{
"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"
}
}
],
"approvers": [],
"approver_groups": []
}
```
## Unapprove Merge Request
>**Note:** This API endpoint is only available on 9.0 Starter and above.
If you did approve a merge request, you can unapprove it using the following
endpoint:
```
POST /projects/:id/merge_requests/:merge_request_iid/unapprove
```
**Parameters:**
| Attribute | Type | Required | Description |
|---------------------|---------|----------|---------------------|
| `id` | integer | yes | The ID of a project |
| `merge_request_iid` | integer | yes | The IID of MR |