3 files changed, 20 insertions, 0 deletions
diff --git a/doc/api/groups.md b/doc/api/groups.md
index de730cdd869..f50558b58a6 100644
--- a/doc/api/groups.md
+++ b/doc/api/groups.md
@@ -15,6 +15,7 @@ Parameters:
 | `order_by` | string | no | Order groups by `name` or `path`. Default is `name` |
 | `sort` | string | no | Order groups in `asc` or `desc` order. Default is `asc` |
 | `statistics` | boolean | no | Include group statistics (admins only) |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 | `owned` | boolean | no | Limit to groups owned by the current user |
 
 ```
@@ -98,6 +99,7 @@ Parameters:
 | `order_by` | string | no | Order groups by `name` or `path`. Default is `name` |
 | `sort` | string | no | Order groups in `asc` or `desc` order. Default is `asc` |
 | `statistics` | boolean | no | Include group statistics (admins only) |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 | `owned` | boolean | no | Limit to groups owned by the current user |
 
 ```
@@ -145,6 +147,7 @@ Parameters:
 | `simple` | boolean | no | Return only the ID, URL, name, and path of each project |
 | `owned` | boolean | no | Limit by projects owned by the current user |
 | `starred` | boolean | no | Limit by projects starred by the current user |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 
 Example response:
 
@@ -204,6 +207,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/groups/4
diff --git a/doc/api/projects.md b/doc/api/projects.md
index 46f5de5aa0e..05d2f2af00b 100644
--- a/doc/api/projects.md
+++ b/doc/api/projects.md
@@ -37,6 +37,7 @@ GET /projects
 | `membership` | boolean | no | Limit by projects that the current user is a member of |
 | `starred` | boolean | no | Limit by projects starred by the current user |
 | `statistics` | boolean | no | Include project statistics |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 | `with_issues_enabled` | boolean | no | Limit by enabled issues feature |
 | `with_merge_requests_enabled` | boolean | no | Limit by enabled merge requests feature |
 
@@ -220,6 +221,7 @@ GET /users/:user_id/projects
 | `membership` | boolean | no | Limit by projects that the current user is a member of |
 | `starred` | boolean | no | Limit by projects starred by the current user |
 | `statistics` | boolean | no | Include project statistics |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 | `with_issues_enabled` | boolean | no | Limit by enabled issues feature |
 | `with_merge_requests_enabled` | boolean | no | Limit by enabled merge requests feature |
 
@@ -388,6 +390,7 @@ GET /projects/:id
 | --------- | ---- | -------- | ----------- |
 | `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) |
 | `statistics` | boolean | no | Include project statistics |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 
 ```json
 {
@@ -664,6 +667,7 @@ GET /projects/:id/forks
 | `membership` | boolean | no | Limit by projects that the current user is a member of |
 | `starred` | boolean | no | Limit by projects starred by the current user |
 | `statistics` | boolean | no | Include project statistics |
+| `with_custom_attributes` | boolean | no | Include [custom attributes](custom_attributes.md) in response (admins only) |
 | `with_issues_enabled` | boolean | no | Limit by enabled issues feature |
 | `with_merge_requests_enabled` | boolean | no | Limit by enabled merge requests feature |
 
diff --git a/doc/api/users.md b/doc/api/users.md
index 2082e45756a..a4447e32908 100644
--- a/doc/api/users.md
+++ b/doc/api/users.md
@@ -165,6 +165,12 @@ You can filter by [custom attributes](custom_attributes.md) with:
 GET /users?custom_attributes[key]=value&custom_attributes[other_key]=other_value
 ```
 
+You can include the users' [custom attributes](custom_attributes.md) in the response with:
+
+```
+GET /users?with_custom_attributes=true
+```
+
 ## Single user
 
 Get a single user.
@@ -245,6 +251,12 @@ Parameters:
 }
 ```
 
+You can include the user's [custom attributes](custom_attributes.md) in the response with:
+
+```
+GET /users/:id?with_custom_attributes=true
+```
+
 ## User creation
 
 Creates a new user. Note only administrators can create new users. Either `password` or `reset_password` should be specified (`reset_password` takes priority).