Merge branch 'alkuzad/gitlab-ce-namespaces_encoding_docs' into 'master'

Add information about namespace encoding to API docs Closes #25722 See merge request !10536

Merge branch 'alkuzad/gitlab-ce-namespaces_encoding_docs' into 'master'
Add information about namespace encoding to API docs Closes #25722 See merge request !10536
6c7b4791 · Achilleas Pipinellis · 9a8ea266 · 6536e3d5 · 6c7b4791 · 6c7b4791
Commit 6c7b4791 authored Apr 10, 2017 by Achilleas Pipinellis
25 changed files
--- a/doc/api/README.md
+++ b/doc/api/README.md
@@ -303,6 +303,17 @@ Additional pagination headers are also sent back.
 | `X-Next-Page`   | The index of the next page |
 | `X-Prev-Page`   | The index of the previous page |
+## Namespaced path encoding
+If using namespaced API calls, make sure that the `NAMESPACE/PROJECT_NAME` is
+URL-encoded.
+For example, `/` is represented by `%2F`:
+```
+/api/v4/projects/diaspora%2Fdiaspora
+```
 ## `id` vs `iid`
 When you work with the API, you may notice two similar fields in API entities:
@@ -398,7 +409,6 @@ Content-Type: application/json
 }
 ```
 ## Clients
 There are many unofficial GitLab API Clients for most of the popular

--- a/doc/api/access_requests.md
+++ b/doc/api/access_requests.md
@@ -25,7 +25,7 @@ GET /projects/:id/access_requests
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/groups/:id/access_requests
@@ -66,7 +66,7 @@ POST /projects/:id/access_requests
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/groups/:id/access_requests
@@ -97,7 +97,7 @@ PUT /projects/:id/access_requests/:user_id/approve
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer | yes   | The user ID of the access requester |
 | `access_level` | integer | no | A valid access level (defaults: `30`, developer access level) |
@@ -130,7 +130,7 @@ DELETE /projects/:id/access_requests/:user_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer | yes   | The user ID of the access requester |
 ```bash

--- a/doc/api/award_emoji.md
+++ b/doc/api/award_emoji.md
@@ -23,7 +23,7 @@ Parameters:
 | Attribute      | Type    | Required | Description                                                                 |
 | ---------      | ----    | -------- | -----------                                                                 |
-| `id`           | integer | yes      | The ID of a project                                                         |
+| `id`           | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user                                                         |
 | `awardable_id` | integer | yes      | The ID (`iid` for merge requests/issues, `id` for snippets) of an awardable |
 ```bash
@@ -83,7 +83,7 @@ Parameters:
 | Attribute      | Type    | Required | Description                                                                 |
 | ---------      | ----    | -------- | -----------                                                                 |
-| `id`           | integer | yes      | The ID of a project                                                         |
+| `id`           | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `awardable_id` | integer | yes      | The ID (`iid` for merge requests/issues, `id` for snippets) of an awardable |
 | `award_id`     | integer | yes      | The ID of the award emoji                                                   |
@@ -126,7 +126,7 @@ Parameters:
 | Attribute      | Type    | Required | Description                                                                 |
 | ---------      | ----    | -------- | -----------                                                                 |
-| `id`           | integer | yes      | The ID of a project                                                         |
+| `id`           | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `awardable_id` | integer | yes      | The ID (`iid` for merge requests/issues, `id` for snippets) of an awardable |
 | `name`         | string  | yes      | The name of the emoji, without colons                                       |
@@ -170,7 +170,7 @@ Parameters:
 | Attribute   | Type    | Required | Description                 |
 | ---------   | ----    | -------- | -----------                 |
-| `id`        | integer | yes      | The ID of a project         |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user  |
 | `issue_iid` | integer | yes      | The internal ID of an issue |
 | `award_id`  | integer | yes      | The ID of a award_emoji     |
@@ -195,7 +195,7 @@ Parameters:
 | Attribute   | Type    | Required | Description                 |
 | ---------   | ----    | -------- | -----------                 |
-| `id`        | integer | yes      | The ID of a project         |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `issue_iid` | integer | yes      | The internal ID of an issue |
 | `note_id`   | integer | yes      | The ID of an note           |
@@ -237,7 +237,7 @@ Parameters:
 | Attribute   | Type    | Required | Description                 |
 | ---------   | ----    | -------- | -----------                 |
-| `id`        | integer | yes      | The ID of a project         |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user  |
 | `issue_iid` | integer | yes      | The internal ID of an issue |
 | `note_id`   | integer | yes      | The ID of a note            |
 | `award_id`  | integer | yes      | The ID of the award emoji   |
@@ -277,7 +277,7 @@ Parameters:
 | Attribute   | Type    | Required | Description                           |
 | ---------   | ----    | -------- | -----------                           |
-| `id`        | integer | yes      | The ID of a project                   |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `issue_iid` | integer | yes      | The internal ID of an issue           |
 | `note_id`   | integer | yes      | The ID of a note                      |
 | `name`      | string  | yes      | The name of the emoji, without colons |
@@ -320,7 +320,7 @@ Parameters:
 | Attribute   | Type    | Required | Description                 |
 | ---------   | ----    | -------- | -----------                 |
-| `id`        | integer | yes      | The ID of a project         |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user  |
 | `issue_iid` | integer | yes      | The internal ID of an issue |
 | `note_id`   | integer | yes      | The ID of a note            |
 | `award_id`  | integer | yes      | The ID of a award_emoji     |

--- a/doc/api/boards.md
+++ b/doc/api/boards.md
@@ -15,7 +15,7 @@ GET /projects/:id/boards
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`   | integer  | yes    | The ID of a project |
+| `id`   | integer/string  | yes    | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/:id/boards
@@ -71,7 +71,7 @@ GET /projects/:id/boards/:board_id/lists
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`   | integer  | yes    | The ID of a project |
+| `id`   | integer/string  | yes    | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `board_id`   | integer  | yes    | The ID of a board |
 ```bash
@@ -122,7 +122,7 @@ GET /projects/:id/boards/:board_id/lists/:list_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes   | The ID of a project |
+| `id`      | integer/string | yes   | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `board_id`   | integer  | yes    | The ID of a board |
 | `list_id`| integer | yes   | The ID of a board's list |
@@ -154,7 +154,7 @@ POST /projects/:id/boards/:board_id/lists
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`            | integer | yes | The ID of a project |
+| `id`            | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `board_id`   | integer  | yes    | The ID of a board |
 | `label_id`         | integer  | yes | The ID of a label |
@@ -186,7 +186,7 @@ PUT /projects/:id/boards/:board_id/lists/:list_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`            | integer | yes | The ID of a project |
+| `id`            | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `board_id`   | integer  | yes    | The ID of a board |
 | `list_id`      | integer | yes | The ID of a board's list |
 | `position`         | integer  | yes  | The position of the list |
@@ -219,7 +219,7 @@ DELETE /projects/:id/boards/:board_id/lists/:list_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`            | integer | yes | The ID of a project |
+| `id`            | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `board_id`   | integer  | yes    | The ID of a board |
 | `list_id`      | integer | yes | The ID of a board's list |

--- a/doc/api/branches.md
+++ b/doc/api/branches.md
@@ -12,7 +12,7 @@ GET /projects/:id/repository/branches
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/5/repository/branches
@@ -59,7 +59,7 @@ GET /projects/:id/repository/branches/:branch
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `branch` | string | yes | The name of the branch |
 ```bash
@@ -109,7 +109,7 @@ curl --request PUT --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `branch` | string | yes | The name of the branch |
 | `developers_can_push` | boolean | no | Flag if developers can push to the branch |
 | `developers_can_merge` | boolean | no | Flag if developers can merge to the branch |
@@ -157,7 +157,7 @@ curl --request PUT --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `branch` | string | yes | The name of the branch |
 Example response:
@@ -195,7 +195,7 @@ POST /projects/:id/repository/branches
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`          | integer | yes | The ID of a project |
+| `id`          | integer | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `branch` | string  | yes | The name of the branch |
 | `ref`         | string  | yes | The branch name or commit SHA to create branch from |
@@ -238,7 +238,7 @@ DELETE /projects/:id/repository/branches/:branch
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes | The ID of a project |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `branch`  | string  | yes | The name of the branch |
 In case of an error, an explaining message is provided.
@@ -257,7 +257,7 @@ DELETE /projects/:id/repository/merged_branches
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes | The ID of a project |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash

--- a/doc/api/build_variables.md
+++ b/doc/api/build_variables.md
@@ -10,7 +10,7 @@ GET /projects/:id/variables
 | Attribute | Type    | required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID of a project or [urlencoded NAMESPACE/PROJECT_NAME of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/1/variables"
@@ -39,7 +39,7 @@ GET /projects/:id/variables/:key
 | Attribute | Type    | required | Description           |
 |-----------|---------|----------|-----------------------|
-| `id`      | integer | yes      | The ID of a project   |
+| `id`      | integer/string | yes      | The ID of a project or [urlencoded NAMESPACE/PROJECT_NAME of the project](README.md#namespaced-path-encoding) owned by the authenticated user   |
 | `key`     | string  | yes      | The `key` of a variable |
 ```
@@ -63,7 +63,7 @@ POST /projects/:id/variables
 | Attribute | Type    | required | Description           |
 |-----------|---------|----------|-----------------------|
-| `id`      | integer | yes      | The ID of a project   |
+| `id`      | integer/string | yes      | The ID of a project or [urlencoded NAMESPACE/PROJECT_NAME of the project](README.md#namespaced-path-encoding) owned by the authenticated user   |
 | `key`     | string  | yes      | The `key` of a variable; must have no more than 255 characters; only `A-Z`, `a-z`, `0-9`, and `_` are allowed |
 | `value`   | string  | yes      | The `value` of a variable |
@@ -88,7 +88,7 @@ PUT /projects/:id/variables/:key
 | Attribute | Type    | required | Description             |
 |-----------|---------|----------|-------------------------|
-| `id`      | integer | yes      | The ID of a project     |
+| `id`      | integer/string | yes      | The ID of a project or [urlencoded NAMESPACE/PROJECT_NAME of the project](README.md#namespaced-path-encoding) owned by the authenticated user     |
 | `key`     | string  | yes      | The `key` of a variable   |
 | `value`   | string  | yes      | The `value` of a variable |
@@ -113,7 +113,7 @@ DELETE /projects/:id/variables/:key
 | Attribute | Type    | required | Description             |
 |-----------|---------|----------|-------------------------|
-| `id`      | integer | yes      | The ID of a project     |
+| `id`      | integer/string | yes      | The ID of a project or [urlencoded NAMESPACE/PROJECT_NAME of the project](README.md#namespaced-path-encoding) owned by the authenticated user     |
 | `key`     | string  | yes      | The `key` of a variable |
 ```

--- a/doc/api/commits.md
+++ b/doc/api/commits.md
@@ -10,7 +10,7 @@ GET /projects/:id/repository/commits
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `ref_name` | string | no | The name of a repository branch or tag or if not given the default branch |
 | `since` | string | no | Only commits after or on this date will be returned in ISO 8601 format YYYY-MM-DDTHH:MM:SSZ |
 | `until` | string | no | Only commits before or on this date will be returned in ISO 8601 format YYYY-MM-DDTHH:MM:SSZ |
@@ -68,7 +68,7 @@ POST /projects/:id/repository/commits
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) |
 | `branch` | string | yes | The name of a branch |
 | `commit_message` | string | yes | Commit message |
 | `actions[]` | array | yes | An array of action hashes to commit as a batch. See the next table for what attributes it can take. |
@@ -155,7 +155,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha` | string | yes | The commit hash or name of a repository branch or tag |
 ```bash
@@ -203,7 +203,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha` | string | yes | The commit hash  |
 | `branch` | string | yes | The name of the branch  |
@@ -245,7 +245,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha` | string | yes | The commit hash or name of a repository branch or tag |
 ```bash
@@ -281,7 +281,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha` | string | yes | The commit hash or name of a repository branch or tag |
 ```bash
@@ -330,7 +330,7 @@ POST /projects/:id/repository/commits/:sha/comments
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha`       | string  | yes | The commit SHA or name of a repository branch or tag |
 | `note`      | string  | yes | The text of the comment |
 | `path`      | string  | no  | The file path relative to the repository |
@@ -375,7 +375,7 @@ GET /projects/:id/repository/commits/:sha/statuses
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha`     | string  | yes | The commit SHA
 | `ref`     | string  | no  | The name of a repository branch or tag or, if not given, the default branch
 | `stage`   | string  | no  | Filter by [build stage](../ci/yaml/README.md#stages), e.g., `test`
@@ -449,7 +449,7 @@ POST /projects/:id/statuses/:sha
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The ID of a project or NAMESPACE/PROJECT_NAME owned by the authenticated user
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 | `sha`     | string  | yes   | The commit SHA
 | `state`   | string  | yes   | The state of the status. Can be one of the following: `pending`, `running`, `success`, `failed`, `canceled`
 | `ref`     | string  | no    | The `ref` (branch or tag) to which the status refers

--- a/doc/api/deploy_keys.md
+++ b/doc/api/deploy_keys.md
@@ -43,7 +43,7 @@ GET /projects/:id/deploy_keys
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of the project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/5/deploy_keys"
@@ -82,7 +82,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes | The ID of the project |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `key_id`  | integer | yes | The ID of the deploy key |
 ```bash
@@ -114,7 +114,7 @@ POST /projects/:id/deploy_keys
 | Attribute  | Type | Required | Description |
 | ---------  | ---- | -------- | ----------- |
-| `id`       | integer | yes | The ID of the project |
+| `id`       | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `title`    | string  | yes | New deploy key's title |
 | `key`      | string  | yes | New deploy key |
 | `can_push` | boolean | no  | Can deploy key push to the project's repository |
@@ -145,7 +145,7 @@ DELETE /projects/:id/deploy_keys/:key_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes | The ID of the project |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `key_id`  | integer | yes | The ID of the deploy key |
 ```bash
@@ -162,7 +162,7 @@ curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitla
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer | yes | The ID of the project |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `key_id`  | integer | yes | The ID of the deploy key |
 Example response:

--- a/doc/api/deployments.md
+++ b/doc/api/deployments.md
@@ -10,7 +10,7 @@ GET /projects/:id/deployments
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/1/deployments"
@@ -147,7 +147,7 @@ GET /projects/:id/deployments/:deployment_id
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `deployment_id` | integer | yes      | The ID of the deployment |
 ```bash

--- a/doc/api/enviroments.md
+++ b/doc/api/enviroments.md
@@ -10,7 +10,7 @@ GET /projects/:id/environments
 | Attribute | Type    | Required | Description           |
 | --------- | ------- | -------- | --------------------- |
-| `id`      | integer | yes      | The ID of the project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/1/environments
@@ -41,7 +41,7 @@ POST /projects/:id/environment
 | Attribute     | Type    | Required | Description                  |
 | ------------- | ------- | -------- | ---------------------------- |
-| `id`          | integer | yes      | The ID of the project        |
+| `id`          | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user        |
 | `name`        | string  | yes      | The name of the environment  |
 | `external_url` | string  | no     | Place to link to for this environment |
@@ -72,7 +72,7 @@ PUT /projects/:id/environments/:environments_id
 | Attribute       | Type    | Required                          | Description                      |
 | --------------- | ------- | --------------------------------- | -------------------------------  |
-| `id`            | integer | yes                               | The ID of the project            |
+| `id`            | integer/string | yes                               | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user            |
 | `environment_id` | integer | yes | The ID of the environment  | The ID of the environment        |
 | `name`          | string  | no                                | The new name of the environment  |
 | `external_url`  | string  | no                                | The new external_url             |
@@ -102,7 +102,7 @@ DELETE /projects/:id/environments/:environment_id
 | Attribute | Type    | Required | Description           |
 | --------- | ------- | -------- | --------------------- |
-| `id` | integer | yes | The ID of the project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `environment_id` | integer | yes | The ID of the environment |
 ```bash
@@ -119,7 +119,7 @@ POST /projects/:id/environments/:environment_id/stop
 | Attribute | Type    | Required | Description           |
 | --------- | ------- | -------- | --------------------- |
-| `id` | integer | yes | The ID of the project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `environment_id` | integer | yes | The ID of the environment |
 ```bash

--- a/doc/api/groups.md
+++ b/doc/api/groups.md
@@ -53,7 +53,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer/string | yes | The ID or path of a group |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `archived` | boolean | no | Limit by archived status |
 | `visibility` | string | no | Limit by visibility `public`, `internal`, or `private` |
 | `order_by` | string | no | Return projects ordered by `id`, `name`, `path`, `created_at`, `updated_at`, or `last_activity_at` fields. Default is `created_at` |
@@ -119,7 +119,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer/string | yes | The ID or path of a group |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/groups/4
@@ -299,7 +299,7 @@ POST  /groups/:id/projects/:project_id
 Parameters:
- `id` (required) - The ID or path of a group
+- `id` (required) - The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user
 - `project_id` (required) - The ID or path of a project
 ## Update group

--- a/doc/api/issues.md
+++ b/doc/api/issues.md
--- a/doc/api/jobs.md
+++ b/doc/api/jobs.md
@@ -10,7 +10,7 @@ GET /projects/:id/jobs
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `scope`   | string **or** array of strings | no | The scope of jobs to show, one or array of: `created`, `pending`, `running`, `failed`, `success`, `canceled`, `skipped`; showing all jobs if none provided |
 ```
@@ -125,7 +125,7 @@ GET /projects/:id/pipeline/:pipeline_id/jobs
 | Attribute     | Type                           | Required | Description          |
 |---------------|--------------------------------|----------|----------------------|
-| `id`          | integer                        | yes      | The ID of a project  |
+| `id`          | integer/string                        | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user  |
 | `pipeline_id` | integer                        | yes      | The ID of a pipeline |
 | `scope`       | string **or** array of strings | no       | The scope of jobs to show, one or array of: `created`, `pending`, `running`, `failed`, `success`, `canceled`, `skipped`; showing all jobs if none provided |
@@ -241,7 +241,7 @@ GET /projects/:id/jobs/:job_id
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id` | integer | yes      | The ID of a job   |
 ```
@@ -309,7 +309,7 @@ GET /projects/:id/jobs/:job_id/artifacts
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id` | integer | yes      | The ID of a job   |
 ```
@@ -340,7 +340,7 @@ Parameters
 | Attribute   | Type    | Required | Description               |
 |-------------|---------|----------|-------------------------- |
-| `id`        | integer | yes      | The ID of a project       |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user       |
 | `ref_name`  | string  | yes      | The ref from a repository |
 | `job`       | string  | yes      | The name of the job       |
@@ -369,7 +369,7 @@ GET /projects/:id/jobs/:job_id/trace
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| id         | integer | yes      | The ID of a project |
+| id         | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | job_id     | integer | yes      | The ID of a job     |
 ```
@@ -393,7 +393,7 @@ POST /projects/:id/jobs/:job_id/cancel
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id`   | integer | yes      | The ID of a job     |
 ```
@@ -439,7 +439,7 @@ POST /projects/:id/jobs/:job_id/retry
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id`   | integer | yes      | The ID of a job     |
 ```
@@ -487,7 +487,7 @@ Parameters
 | Attribute   | Type    | Required | Description         |
 |-------------|---------|----------|---------------------|
-| `id`        | integer | yes      | The ID of a project |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id`    | integer | yes      | The ID of a job     |
 Example of request
@@ -537,7 +537,7 @@ Parameters
 | Attribute   | Type    | Required | Description         |
 |-------------|---------|----------|---------------------|
-| `id`        | integer | yes      | The ID of a project |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id`    | integer | yes      | The ID of a job     |
 Example request:
@@ -585,7 +585,7 @@ POST /projects/:id/jobs/:job_id/play
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `job_id`  | integer | yes      | The ID of a job     |
 ```

--- a/doc/api/labels.md
+++ b/doc/api/labels.md
@@ -10,7 +10,7 @@ GET /projects/:id/labels
 | Attribute | Type    | Required | Description           |
 | --------- | ------- | -------- | --------------------- |
-| `id`      | integer | yes      | The ID of the project |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```bash
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/1/labels
@@ -88,7 +88,7 @@ POST /projects/:id/labels
 | Attribute     | Type    | Required | Description                  |
 | ------------- | ------- | -------- | ---------------------------- |
-| `id`          | integer | yes      | The ID of the project        |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `name`        | string  | yes      | The name of the label        |
 | `color`       | string  | yes      | The color of the label given in 6-digit hex notation with leading '#' sign (e.g. #FFAABB) or one of the [CSS color names](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#Color_keywords) |
 | `description` | string  | no       | The description of the label |
@@ -124,7 +124,7 @@ DELETE /projects/:id/labels
 | Attribute | Type    | Required | Description           |
 | --------- | ------- | -------- | --------------------- |
-| `id`      | integer | yes      | The ID of the project |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `name`    | string  | yes      | The name of the label |
 ```bash
@@ -142,7 +142,7 @@ PUT /projects/:id/labels
 | Attribute       | Type    | Required                          | Description                      |
 | --------------- | ------- | --------------------------------- | -------------------------------  |
-| `id`            | integer | yes                               | The ID of the project            |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `name`          | string  | yes                               | The name of the existing label   |
 | `new_name`      | string  | yes if `color` is not provided    | The new name of the label        |
 | `color`         | string  | yes if `new_name` is not provided | The color of the label given in 6-digit hex notation with leading '#' sign (e.g. #FFAABB) or one of the [CSS color names](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#Color_keywords) |
@@ -182,7 +182,7 @@ POST /projects/:id/labels/:label_id/subscribe
 | Attribute  | Type              | Required | Description                          |
 | ---------- | ----------------- | -------- | ------------------------------------ |
-| `id`       | integer           | yes      | The ID of a project                  |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `label_id` | integer or string | yes      | The ID or title of a project's label |
 ```bash
@@ -217,7 +217,7 @@ POST /projects/:id/labels/:label_id/unsubscribe
 | Attribute  | Type              | Required | Description                          |
 | ---------- | ----------------- | -------- | ------------------------------------ |
-| `id`       | integer           | yes      | The ID of a project                  |
+| `id`      | integer/string    | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `label_id` | integer or string | yes      | The ID or title of a project's label |
 ```bash

--- a/doc/api/members.md
+++ b/doc/api/members.md
@@ -23,7 +23,7 @@ GET /projects/:id/members
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project or group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `query`   | string | no     | A query string to search for members |
 ```bash
@@ -65,7 +65,7 @@ GET /projects/:id/members/:user_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project or group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer | yes   | The user ID of the member |
 ```bash
@@ -98,7 +98,7 @@ POST /projects/:id/members
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string  | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project or group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer         | yes | The user ID of the new member |
 | `access_level` | integer | yes | A valid access level |
 | `expires_at` | string | no | A date string in the format YEAR-MONTH-DAY |
@@ -132,7 +132,7 @@ PUT /projects/:id/members/:user_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project or group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer | yes   | The user ID of the member |
 | `access_level` | integer | yes | A valid access level |
 | `expires_at` | string | no | A date string in the format YEAR-MONTH-DAY |
@@ -166,7 +166,7 @@ DELETE /projects/:id/members/:user_id
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id`      | integer/string | yes | The group/project ID or path |
+| `id`      | integer/string | yes | The ID or [URL-encoded path of the project or group](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `user_id` | integer | yes   | The user ID of the member |
 ```bash

--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
--- a/doc/api/milestones.md
+++ b/doc/api/milestones.md
@@ -17,7 +17,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `iids` | Array[integer] | optional | Return only the milestones having the given `iids` |
 | `state` | string | optional | Return only `active` or `closed` milestones` |
 | `search` | string | optional | Return only milestones with a title or description matching the provided string |
@@ -56,8 +56,8 @@ GET /projects/:id/milestones/:milestone_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
- `milestone_id` (required) - The ID of a project milestone
+- `milestone_id` (required) - The ID of the project's milestone
 ## Create new milestone
@@ -69,7 +69,7 @@ POST /projects/:id/milestones
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `title` (required) - The title of an milestone
 - `description` (optional) - The description of the milestone
 - `due_date` (optional) - The due date of the milestone
@@ -85,7 +85,7 @@ PUT /projects/:id/milestones/:milestone_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `milestone_id` (required) - The ID of a project milestone
 - `title` (optional) - The title of a milestone
 - `description` (optional) - The description of a milestone
@@ -103,7 +103,7 @@ GET /projects/:id/milestones/:milestone_id/issues
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `milestone_id` (required) - The ID of a project milestone
 ## Get all merge requests assigned to a single milestone
@@ -116,5 +116,5 @@ GET /projects/:id/milestones/:milestone_id/merge_requests
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `milestone_id` (required) - The ID of a project milestone
--- a/doc/api/notes.md
+++ b/doc/api/notes.md
@@ -14,7 +14,7 @@ GET /projects/:id/issues/:issue_iid/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `issue_iid` (required) - The IID of an issue
 ```json
@@ -68,7 +68,7 @@ GET /projects/:id/issues/:issue_iid/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `issue_iid` (required) - The IID of a project issue
 - `note_id` (required) - The ID of an issue note
@@ -83,7 +83,7 @@ POST /projects/:id/issues/:issue_iid/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `issue_id` (required) - The IID of an issue
 - `body` (required) - The content of a note
 - `created_at` (optional) - Date time string, ISO 8601 formatted, e.g. 2016-03-11T03:45:40Z
@@ -98,7 +98,7 @@ PUT /projects/:id/issues/:issue_iid/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `issue_iid` (required) - The IID of an issue
 - `note_id` (required) - The ID of a note
 - `body` (required) - The content of a note
@@ -115,7 +115,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `issue_iid` | integer | yes | The IID of an issue |
 | `note_id` | integer | yes | The ID of a note |
@@ -135,7 +135,7 @@ GET /projects/:id/snippets/:snippet_id/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project snippet
 ### Get single snippet note
@@ -148,7 +148,7 @@ GET /projects/:id/snippets/:snippet_id/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project snippet
 - `note_id` (required) - The ID of an snippet note
@@ -182,7 +182,7 @@ POST /projects/:id/snippets/:snippet_id/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a snippet
 - `body` (required) - The content of a note
@@ -196,7 +196,7 @@ PUT /projects/:id/snippets/:snippet_id/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a snippet
 - `note_id` (required) - The ID of a note
 - `body` (required) - The content of a note
@@ -213,7 +213,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `snippet_id` | integer | yes | The ID of a snippet |
 | `note_id` | integer | yes | The ID of a note |
@@ -233,7 +233,7 @@ GET /projects/:id/merge_requests/:merge_request_iid/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `merge_request_iid` (required) - The IID of a project merge request
 ### Get single merge request note
@@ -246,7 +246,7 @@ GET /projects/:id/merge_requests/:merge_request_iid/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `merge_request_iid` (required) - The IID of a project merge request
 - `note_id` (required) - The ID of a merge request note
@@ -283,7 +283,7 @@ POST /projects/:id/merge_requests/:merge_request_iid/notes
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `merge_request_iid` (required) - The IID of a merge request
 - `body` (required) - The content of a note
@@ -297,7 +297,7 @@ PUT /projects/:id/merge_requests/:merge_request_iid/notes/:note_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `merge_request_iid` (required) - The IID of a merge request
 - `note_id` (required) - The ID of a note
 - `body` (required) - The content of a note
@@ -314,7 +314,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `merge_request_iid` | integer | yes | The IID of a merge request |
 | `note_id` | integer | yes | The ID of a note |

--- a/doc/api/pipeline_triggers.md
+++ b/doc/api/pipeline_triggers.md
@@ -12,7 +12,7 @@ GET /projects/:id/triggers
 | Attribute | Type    | required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/1/triggers"
@@ -43,7 +43,7 @@ GET /projects/:id/triggers/:trigger_id
 | Attribute    | Type    | required | Description              |
 |--------------|---------|----------|--------------------------|
-| `id`         | integer | yes      | The ID of a project      |
+| `id`         | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user      |
 | `trigger_id` | integer | yes      | The trigger id           |
 ```
@@ -73,7 +73,7 @@ POST /projects/:id/triggers
 | Attribute     | Type    | required | Description              |
 |---------------|---------|----------|--------------------------|
-| `id`          | integer | yes      | The ID of a project      |
+| `id`          | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user      |
 | `description` | string  | yes      | The trigger name         |
 ```
@@ -103,7 +103,7 @@ PUT /projects/:id/triggers/:trigger_id
 | Attribute     | Type    | required | Description              |
 |---------------|---------|----------|--------------------------|
-| `id`          | integer | yes      | The ID of a project      |
+| `id`          | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user      |
 | `trigger_id`  | integer | yes      | The trigger id           |
 | `description` | string  | no       | The trigger name         |
@@ -134,7 +134,7 @@ POST /projects/:id/triggers/:trigger_id/take_ownership
 | Attribute     | Type    | required | Description              |
 |---------------|---------|----------|--------------------------|
-| `id`          | integer | yes      | The ID of a project      |
+| `id`          | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user      |
 | `trigger_id`  | integer | yes      | The trigger id           |
 ```
@@ -164,7 +164,7 @@ DELETE /projects/:id/triggers/:trigger_id
 | Attribute      | Type    | required | Description              |
 |----------------|---------|----------|--------------------------|
-| `id`           | integer | yes      | The ID of a project      |
+| `id`           | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user      |
 | `trigger_id`   | integer | yes      | The trigger id           |
 ```

--- a/doc/api/pipelines.md
+++ b/doc/api/pipelines.md
@@ -10,7 +10,7 @@ GET /projects/:id/pipelines
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/1/pipelines"
@@ -45,7 +45,7 @@ GET /projects/:id/pipelines/:pipeline_id
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `pipeline_id` | integer | yes      | The ID of a pipeline   |
 ```
@@ -91,7 +91,7 @@ POST /projects/:id/pipeline
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `ref`       | string | yes      | Reference to commit |
 ```
@@ -137,7 +137,7 @@ POST /projects/:id/pipelines/:pipeline_id/retry
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `pipeline_id` | integer | yes   | The ID of a pipeline |
 ```
@@ -183,7 +183,7 @@ POST /projects/:id/pipelines/:pipeline_id/cancel
 | Attribute  | Type    | Required | Description         |
 |------------|---------|----------|---------------------|
-| `id`       | integer | yes      | The ID of a project |
+| `id`       | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `pipeline_id` | integer | yes   | The ID of a pipeline |
 ```

--- a/doc/api/project_snippets.md
+++ b/doc/api/project_snippets.md
@@ -23,7 +23,7 @@ GET /projects/:id/snippets
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 ## Single snippet
@@ -35,7 +35,7 @@ GET /projects/:id/snippets/:snippet_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project's snippet
 ```json
@@ -67,7 +67,7 @@ POST /projects/:id/snippets
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `title` (required) - The title of a snippet
 - `file_name` (required) - The name of a snippet file
 - `code` (required) - The content of a snippet
@@ -83,7 +83,7 @@ PUT /projects/:id/snippets/:snippet_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project's snippet
 - `title` (optional) - The title of a snippet
 - `file_name` (optional) - The name of a snippet file
@@ -101,7 +101,7 @@ DELETE /projects/:id/snippets/:snippet_id
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project's snippet
 ## Snippet content
@@ -114,5 +114,5 @@ GET /projects/:id/snippets/:snippet_id/raw
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `snippet_id` (required) - The ID of a project's snippet
--- a/doc/api/projects.md
+++ b/doc/api/projects.md
--- a/doc/api/repositories.md
+++ b/doc/api/repositories.md
@@ -13,7 +13,7 @@ GET /projects/:id/repository/tree
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `path` (optional) - The path inside repository. Used to get contend of subdirectories
 - `ref` (optional) - The name of a repository branch or tag or if not given the default branch
 - `recursive` (optional) - Boolean value used to get a recursive tree (false by default)
@@ -84,7 +84,7 @@ GET /projects/:id/repository/blobs/:sha
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `sha` (required) - The commit or branch name
 ## Raw blob content
@@ -98,7 +98,7 @@ GET /projects/:id/repository/blobs/:sha/raw
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `sha` (required) - The blob SHA
 ## Get file archive
@@ -112,7 +112,7 @@ GET /projects/:id/repository/archive
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `sha` (optional) - The commit SHA to download defaults to the tip of the default branch
 ## Compare branches, tags or commits
@@ -126,7 +126,7 @@ GET /projects/:id/repository/compare
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `from` (required) - the commit SHA or branch name
 - `to` (required) - the commit SHA or branch name
@@ -181,7 +181,7 @@ GET /projects/:id/repository/contributors
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 Response:

--- a/doc/api/runners.md
+++ b/doc/api/runners.md
@@ -222,7 +222,7 @@ GET /projects/:id/runners
 | Attribute | Type    | Required | Description         |
 |-----------|---------|----------|---------------------|
-| `id`      | integer | yes      | The ID of a project |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 ```
 curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" "https://gitlab.example.com/api/v4/projects/9/runners"
@@ -259,7 +259,7 @@ POST /projects/:id/runners
 | Attribute   | Type    | Required | Description         |
 |-------------|---------|----------|---------------------|
-| `id`        | integer | yes      | The ID of a project |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `runner_id` | integer | yes      | The ID of a runner  |
 ```
@@ -290,7 +290,7 @@ DELETE /projects/:id/runners/:runner_id
 | Attribute   | Type    | Required | Description         |
 |-------------|---------|----------|---------------------|
-| `id`        | integer | yes      | The ID of a project |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `runner_id` | integer | yes      | The ID of a runner  |
 ```

--- a/doc/api/tags.md
+++ b/doc/api/tags.md
@@ -12,7 +12,7 @@ GET /projects/:id/repository/tags
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 ```json
 [
@@ -53,7 +53,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `id` | integer | yes | The ID of a project |
+| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
 | `tag_name` | string | yes | The name of the tag |
 ```bash
@@ -93,7 +93,7 @@ POST /projects/:id/repository/tags
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `tag_name` (required) - The name of a tag
 - `ref` (required) - Create tag using commit SHA, another tag name, or branch name.
 - `message` (optional) - Creates annotated tag.
@@ -138,7 +138,7 @@ DELETE /projects/:id/repository/tags/:tag_name
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `tag_name` (required) - The name of a tag
@@ -153,7 +153,7 @@ POST /projects/:id/repository/tags/:tag_name/release
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `tag_name` (required) - The name of a tag
 - `description` (required) - Release notes with markdown support
@@ -174,7 +174,7 @@ PUT /projects/:id/repository/tags/:tag_name/release
 Parameters:
- `id` (required) - The ID of a project
+- `id` (required) - The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user
 - `tag_name` (required) - The name of a tag
 - `description` (required) - Release notes with markdown support