> - `author_username` and `author_username` were [introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/13060) in GitLab 12.10.
> - `reference` was [deprecated](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/20354) in GitLab 12.10 in favour of `references`.
> - `with_merge_status_recheck` was [introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/31890) in GitLab 13.0.
> - `reviewer_username` and `reviewer_id` were [introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/49341) in GitLab 13.8.
Every API call to merge requests must be authenticated.
...
...
@@ -92,13 +93,15 @@ Parameters:
| `assignee_id` | integer | no | Returns merge requests assigned to the given user `id`. `None` returns unassigned merge requests. `Any` returns merge requests with an assignee. |
| `approver_ids`**(STARTER)** | integer array | no | Returns merge requests which have specified all the users with the given `id`s as individual approvers. `None` returns merge requests without approvers. `Any` returns merge requests with an approver. |
| `approved_by_ids`**(STARTER)** | integer array | no | Returns merge requests which have been approved by all the users with the given `id`s (Max: 5). `None` returns merge requests with no approvals. `Any` returns merge requests with an approval. |
| `reviewer_id` | integer | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#reviewer) with the given user `id`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_username`. |
| `reviewer_username` | string | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#reviewer) with the given `username`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_id`. |
| `my_reaction_emoji` | string | no | Return merge requests reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. |
| `source_branch` | string | no | Return merge requests with the given source branch. |
| `target_branch` | string | no | Return merge requests with the given target branch. |
| `search` | string | no | Search merge requests against their `title` and `description`. |
| `in` | string | no | Modify the scope of the `search` attribute. `title`, `description`, or a string joining them with comma. Default is `title,description`. |
| `wip` | string | no | Filter merge requests against their `wip` status. `yes` to return *only* WIP merge requests, `no` to return *non* WIP merge requests. |
| `not` | Hash | no | Return merge requests that do not match the parameters supplied. Accepts: `labels`, `milestone`, `author_id`, `author_username`, `assignee_id`, `assignee_username`, `my_reaction_emoji`. |
| `not` | Hash | no | Return merge requests that do not match the parameters supplied. Accepts: `labels`, `milestone`, `author_id`, `author_username`, `assignee_id`, `assignee_username`, `reviewer_id`, `reviewer_username`, `my_reaction_emoji`. |
| `environment` | string | no | Returns merge requests deployed to the given environment. Expected in ISO 8601 format (`2019-03-15T08:00:00Z`) |
| `deployed_before` | datetime | no | Return merge requests deployed before the given date/time. Expected in ISO 8601 format (`2019-03-15T08:00:00Z`) |
| `deployed_after` | datetime | no | Return merge requests deployed after the given date/time. Expected in ISO 8601 format (`2019-03-15T08:00:00Z`) |
| `assignee_id` | integer | no | Returns merge requests assigned to the given user `id`. `None` returns unassigned merge requests. `Any` returns merge requests with an assignee. |
| `approver_ids`**(STARTER)** | integer array | no | Returns merge requests which have specified all the users with the given `id`s as individual approvers. `None` returns merge requests without approvers. `Any` returns merge requests with an approver. |
| `approved_by_ids`**(STARTER)** | integer array | no | Returns merge requests which have been approved by all the users with the given `id`s (Max: 5). `None` returns merge requests with no approvals. `Any` returns merge requests with an approval. |
| `reviewer_id` | integer | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#reviewer) with the given user `id`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_username`. |
| `reviewer_username` | string | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#reviewer) with the given `username`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_id`. |
| `my_reaction_emoji` | string | no | Return merge requests reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. |
| `source_branch` | string | no | Return merge requests with the given source branch. |
| `target_branch` | string | no | Return merge requests with the given target branch. |
| `search` | string | no | Search merge requests against their `title` and `description`. |
| `wip` | string | no | Filter merge requests against their `wip` status. `yes` to return *only* WIP merge requests, `no` to return *non* WIP merge requests. |
| `not` | Hash | no | Return merge requests that do not match the parameters supplied. Accepts: `labels`, `milestone`, `author_id`, `author_username`, `assignee_id`, `assignee_username`, `reviewer_id`, `reviewer_username`, `my_reaction_emoji`. |
| `assignee_id` | integer | no | Returns merge requests assigned to the given user `id`. `None` returns unassigned merge requests. `Any` returns merge requests with an assignee. _([Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/13060) in GitLab 9.5)_. |
| `approver_ids`**(STARTER)** | integer array | no | Returns merge requests which have specified all the users with the given `id`s as individual approvers. `None` returns merge requests without approvers. `Any` returns merge requests with an approver. |
| `approved_by_ids`**(STARTER)** | integer array | no | Returns merge requests which have been approved by all the users with the given `id`s (Max: 5). `None` returns merge requests with no approvals. `Any` returns merge requests with an approval. |
| `reviewer_id` | integer | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#enable-or-disable-merge-request-reviewers) with the given user `id`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_username`. |
| `reviewer_username` | string | no | Returns merge requests which have the user as a [reviewer](../user/project/merge_requests/getting_started.md#enable-or-disable-merge-request-reviewers) with the given `username`. `None` returns merge requests with no reviewers. `Any` returns merge requests with any reviewer. Mutually exclusive with `reviewer_id`. |
| `my_reaction_emoji` | string | no | Return merge requests reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. _([Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14016) in GitLab 10.0)_. |
| `source_branch` | string | no | Return merge requests with the given source branch. |
| `target_branch` | string | no | Return merge requests with the given target branch. |
| `search` | string | no | Search merge requests against their `title` and `description`. |
| `non_archived` | boolean | no | Return merge requests from non archived projects only. Default is true. _(Introduced in [GitLab 12.8](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/23809))_. |
| `not` | Hash | no | Return merge requests that do not match the parameters supplied. Accepts: `labels`, `milestone`, `author_id`, `author_username`, `assignee_id`, `assignee_username`, `reviewer_id`, `reviewer_username`, `my_reaction_emoji`. |