diff --git a/_data/toc.yml b/_data/toc.yml
index a89c182b4e..e0f8817bf6 100644
--- a/_data/toc.yml
+++ b/_data/toc.yml
@@ -244,6 +244,7 @@
         - twitter
       - Channels:
         - addAll
+        - AddLeader
         - addModerator
         - addOwner
         - archive
@@ -267,6 +268,7 @@
         - moderators
         - online
         - open
+        - removeLeader
         - removeModerator
         - removeOwner
         - rename
@@ -303,6 +305,7 @@
         - get
       - Groups:
         - addAll
+        - addLeader
         - addModerator
         - addOwner
         - archive
@@ -323,6 +326,7 @@
         - messages
         - moderators
         - open
+        - removeLeader
         - removeModerator
         - removeOwner
         - rename
diff --git a/contributing/documentation/documentation-map/README.md b/contributing/documentation/documentation-map/README.md
index 292af771e3..078bb28e3a 100644
--- a/contributing/documentation/documentation-map/README.md
+++ b/contributing/documentation/documentation-map/README.md
@@ -258,6 +258,7 @@ Here you can also find what articles are incomplete and missing.
             - twitter
         - Channels:
             - addAll
+            - addLeader
             - addModerator
             - addOwner
             - archive
@@ -281,6 +282,7 @@ Here you can also find what articles are incomplete and missing.
             - messages
             - online
             - open
+            - removeLeader
             - removeModerator
             - removeOwner
             - rename
@@ -317,6 +319,7 @@ Here you can also find what articles are incomplete and missing.
             - get
         - Groups:
             - addAll
+            - addLeader
             - addModerator
             - addOwner
             - archive
@@ -337,6 +340,7 @@ Here you can also find what articles are incomplete and missing.
             - messages
             - moderators
             - open
+            - removeLeader
             - removeModerator
             - removeOwner
             - rename
diff --git a/developer-guides/rest-api/README.md b/developer-guides/rest-api/README.md
index 609210b766..e27cce1e75 100644
--- a/developer-guides/rest-api/README.md
+++ b/developer-guides/rest-api/README.md
@@ -77,6 +77,7 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 | Url                                           | Short Description                                           | Details Page                                    |
 | :-------------------------------------------- | :---------------------------------------------------------- | :---------------------------------------------- |
 | `/api/v1/channels.addAll`                     | Adds all of the users on the server to a channel.           | [Link](channels/addall/)                        |
+| `/api/v1/channels.addLeader` | Gives the role of Leader for a user in the current channel. | [Link](channels/addleader/) |
 | `/api/v1/channels.archive`                    | Archives a channel.                                         | [Link](channels/archive/)                       |
 | `/api/v1/channels.cleanHistory`               | Cleans up a channel's history, requires special permission. | [Link](channels/cleanhistory/)                  |
 | `/api/v1/channels.close`                      | Removes a channel from a user's list of channels.           | [Link](channels/close/)                         |
@@ -99,6 +100,7 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 | `/api/v1/channels.moderators`                 | List all moderators of a channel.                           | [Link](channels/moderators/)                    |
 | `/api/v1/channels.online`                     | List all online users of a channel.                         | [Link](channels/online/)                        |
 | `/api/v1/channels.open`                       | Adds the channel back to the user's list of channels.       | [Link](channels/open/)                          |
+| `/api/v1/channels.removeleader` | Removes the role of Leader for a user in the current channel. | [Link](channels/removeleader/) |
 | `/api/v1/channels.rename`                     | Changes a channel's name.                                   | [Link](channels/rename/)                        |
 | `/api/v1/channels.roles`                      | Gets the user's roles in the channel.                       | [Link](channels/roles/)                         |
 | `/api/v1/channels.setCustomFields`            | Sets a channel's custom fields.                             | [Link](channels/setcustomfields/)               |
@@ -117,6 +119,7 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 | Url                              | Short Description                                  | Details Page                   |
 | :------------------------------- | :------------------------------------------------- | :----------------------------- |
 | `/api/v1/groups.archive`         | Archives a private group.                          | [Link](groups/archive/)        |
+| `/api/v1/groups.addLeader`       | Gives the role of Leader for a user in the current group. | [Link](groups/addleader/) |
 | `/api/v1/groups.close`           | Removes a private group from the list of groups.   | [Link](groups/close/)          |
 | `/api/v1/groups.counters`        | Gets group counters.                               | [Link](groups/counters/)       |
 | `/api/v1/groups.create`          | Creates a new private group.                       | [Link](groups/create/)         |
@@ -133,6 +136,7 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 | `/api/v1/groups.messages`        | Retrieves all group messages.                      | [Link](groups/messages/)       |
 | `/api/v1/groups.moderators`      | List all moderators of a group.                    | [Link](groups/moderators/)     |
 | `/api/v1/groups.open`            | Adds the private group back to the list of groups. | [Link](groups/open/)           |
+| `/api/v1/groups.removeLeader`    | Removes the role of Leader for a user in the current group. | [Link](groups/removeleader/) |
 | `/api/v1/groups.rename`          | Changes the name of the private group.             | [Link](groups/rename/)         |
 | `/api/v1/groups.roles`           | Gets the user's roles in the private group.        | [Link](groups/roles/)          |
 | `/api/v1/groups.setAnnouncement` | Sets a group's announcement.                       | [Link](groups/setannouncement/)|
diff --git a/developer-guides/rest-api/channels/README.md b/developer-guides/rest-api/channels/README.md
index 00054ea9e6..08e493773e 100644
--- a/developer-guides/rest-api/channels/README.md
+++ b/developer-guides/rest-api/channels/README.md
@@ -5,6 +5,7 @@ These methods apply to public channels only. Use `groups.*` methods for private
 | Url | Short Description | Details Page |
 | :--- | :--- | :--- |
 | `/api/v1/channels.addAll` | Adds all of the users on the server to a channel. | [Link](addall/) |
+| `/api/v1/channels.addLeader` | Gives the role of Leader for a user in the current channel. | [Link](addleader/) |
 | `/api/v1/channels.addModerator` | Gives the role of moderator to a user in a channel. | [Link](addmoderator/) |
 | `/api/v1/channels.addOwner` | Gives the role of owner to a user in a channel. | [Link](addowner/) |
 | `/api/v1/channels.archive` | Archives a channel. | [Link](archive/) |
@@ -28,6 +29,7 @@ These methods apply to public channels only. Use `groups.*` methods for private
 | `/api/v1/channels.moderators` | List all moderators of a channel. | [Link](moderators/)  |
 | `/api/v1/channels.online` | List all online users of a channel. | [Link](online/) |
 | `/api/v1/channels.open` | Adds the channel back to the user's list of channels. | [Link](open/) |
+| `/api/v1/channels.removeleader` | Removes the role of Leader for a user in the current channel. | [Link](removeleader/) |
 | `/api/v1/channels.removeModerator` | Removes the role of moderator from a user in a channel. | [Link](removemoderator/) |
 | `/api/v1/channels.removeOwner` | Removes the role of owner from a user in a channel. | [Link](removeowner/) |
 | `/api/v1/channels.rename` | Changes a channel's name. | [Link](rename/) |
diff --git a/developer-guides/rest-api/channels/addleader/README.md b/developer-guides/rest-api/channels/addleader/README.md
new file mode 100644
index 0000000000..e50bad4f7a
--- /dev/null
+++ b/developer-guides/rest-api/channels/addleader/README.md
@@ -0,0 +1,50 @@
+# Channel Add Leader
+
+Gives the role of Leader for a user in the current channel.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/channels.addLeader` | `yes` | `POST` |
+
+## Payload
+
+| Argument | Example | Required | Description |
+| :--- | :--- | :--- | :--- |
+| `roomId` | `ByehQjC44FwMeiLbX` | Required | The channel's id |
+| `userId` | `oCHkav5Zf6vmpu2W2` | Required | The user's id |
+
+## Example Call
+
+```bash
+curl -H "X-Auth-Token: 9HqLlyZOugoStsXCUfD_0YdwnNnunAJF8V47U3QHXSq" \
+     -H "X-User-Id: aobEdbYhXfu5hkeqG" \
+     -H "Content-type: application/json" \
+     http://localhost:3000/api/v1/channels.addLeader \
+     -d '{"roomId": "ByehQjC44FwMeiLbX", "userId": "oCHkav5Zf6vmpu2W2"}'
+```
+
+## Success Example Result
+
+```json
+{
+    "success": true
+}
+```
+
+## Bad Request Example Result
+
+If the user is already a leader, will return a `400 bad request` status.
+
+```json
+{
+    "success": false,
+    "error": "User is already a leader [error-user-already-leader]",
+    "errorType": "error-user-already-leader"
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.75.0 | Added. |
diff --git a/developer-guides/rest-api/channels/removeleader/README.md b/developer-guides/rest-api/channels/removeleader/README.md
new file mode 100644
index 0000000000..ddc9c08ad8
--- /dev/null
+++ b/developer-guides/rest-api/channels/removeleader/README.md
@@ -0,0 +1,50 @@
+# Channel Remove Leader
+
+Removes the role of Leader for a user in the current channel.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/channels.removeLeader` | `yes` | `POST` |
+
+## Payload
+
+| Argument | Example | Required | Description |
+| :--- | :--- | :--- | :--- |
+| `roomId` | `ByehQjC44FwMeiLbX` | Required | The channel's id |
+| `userId` | `oCHkav5Zf6vmpu2W2` | Required | The user's id |
+
+## Example Call
+
+```bash
+curl -H "X-Auth-Token: 9HqLlyZOugoStsXCUfD_0YdwnNnunAJF8V47U3QHXSq" \
+     -H "X-User-Id: aobEdbYhXfu5hkeqG" \
+     -H "Content-type: application/json" \
+     http://localhost:3000/api/v1/channels.removeLeader \
+     -d '{"roomId": "ByehQjC44FwMeiLbX", "userId": "oCHkav5Zf6vmpu2W2"}'
+```
+
+## Success Example Result
+
+```json
+{
+    "success": true
+}
+```
+
+## Bad Request Example Result
+
+If the user is not a leader, will return a `400 bad request` status.
+
+```json
+{
+    "success": false,
+    "error": "User is not a leader [error-user-not-leader]",
+    "errorType": "error-user-not-leader"
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.75.0 | Added. |
diff --git a/developer-guides/rest-api/groups/README.md b/developer-guides/rest-api/groups/README.md
index 4bee1464e3..2d66103a31 100644
--- a/developer-guides/rest-api/groups/README.md
+++ b/developer-guides/rest-api/groups/README.md
@@ -3,6 +3,7 @@
 | Url | Short Description | Details Page |
 | :--- | :--- | :--- |
 | `/api/v1/groups.addAll` | Adds all of the users on the server to a private group. | [Link](addall/) |
+| `/api/v1/groups.addLeader` | Gives the role of Leader for a user in the current group. | [Link](addleader/) |
 | `/api/v1/groups.addModerator` | Gives the role of moderator to a user in a group. | [Link](addmoderator/) |
 | `/api/v1/groups.addOwner` | Gives the role of owner to a user in a group. | [Link](addowner/) |
 | `/api/v1/groups.archive` | Archives a private group. | [Link](archive/) |
@@ -23,6 +24,7 @@
 | `/api/v1/groups.members`  | Gets the users of participants of a private group. | [Link](members/) |
 | `/api/v1/groups.messages`  | Retrieves all group messages.  | [Link](messages/)  |
 | `/api/v1/groups.open` | Adds the private group back to the list of groups. | [Link](open/) |
+| `/api/v1/groups.removeLeader` | Removes the role of Leader for a user in the current group. | [Link](removeleader/) |
 | `/api/v1/groups.removeModerator` | Removes the role of moderator from a user in a group. | [Link](removemoderator/) |
 | `/api/v1/groups.removeOwner` | Removes the role of owner from a user in a group. | [Link](removeowner/) |
 | `/api/v1/groups.rename` | Changes the name of the private group. | [Link](rename/) |
diff --git a/developer-guides/rest-api/groups/addleader/README.md b/developer-guides/rest-api/groups/addleader/README.md
new file mode 100644
index 0000000000..43ff490bea
--- /dev/null
+++ b/developer-guides/rest-api/groups/addleader/README.md
@@ -0,0 +1,50 @@
+# Group Add Leader
+
+Gives the role of Leader for a user in the current group.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/groups.addLeader` | `yes` | `POST` |
+
+## Payload
+
+| Argument | Example | Required | Description |
+| :--- | :--- | :--- | :--- |
+| `roomId` | `ByehQjC44FwMeiLbX` | Required | The groups's id |
+| `userId` | `oCHkav5Zf6vmpu2W2` | Required | The user's id |
+
+## Example Call
+
+```bash
+curl -H "X-Auth-Token: 9HqLlyZOugoStsXCUfD_0YdwnNnunAJF8V47U3QHXSq" \
+     -H "X-User-Id: aobEdbYhXfu5hkeqG" \
+     -H "Content-type: application/json" \
+     http://localhost:3000/api/v1/groups.addLeader \
+     -d '{"roomId": "ByehQjC44FwMeiLbX", "userId": "oCHkav5Zf6vmpu2W2"}'
+```
+
+## Success Example Result
+
+```json
+{
+    "success": true
+}
+```
+
+## Bad Request Example Result
+
+If the user is already a leader, will return a `400 bad request` status.
+
+```json
+{
+    "success": false,
+    "error": "User is already a leader [error-user-already-leader]",
+    "errorType": "error-user-already-leader"
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.58.0 | Added. |
diff --git a/developer-guides/rest-api/groups/removeleader/README.md b/developer-guides/rest-api/groups/removeleader/README.md
new file mode 100644
index 0000000000..65426167f0
--- /dev/null
+++ b/developer-guides/rest-api/groups/removeleader/README.md
@@ -0,0 +1,50 @@
+# Group Remove Leader
+
+Removes the role of Leader for a user in the current group.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/groups.removeLeader` | `yes` | `POST` |
+
+## Payload
+
+| Argument | Example | Required | Description |
+| :--- | :--- | :--- | :--- |
+| `roomId` | `ByehQjC44FwMeiLbX` | Required | The groups's id |
+| `userId` | `oCHkav5Zf6vmpu2W2` | Required | The user's id |
+
+## Example Call
+
+```bash
+curl -H "X-Auth-Token: 9HqLlyZOugoStsXCUfD_0YdwnNnunAJF8V47U3QHXSq" \
+     -H "X-User-Id: aobEdbYhXfu5hkeqG" \
+     -H "Content-type: application/json" \
+     http://localhost:3000/api/v1/groups.removeLeader \
+     -d '{"roomId": "ByehQjC44FwMeiLbX", "userId": "oCHkav5Zf6vmpu2W2"}'
+```
+
+## Success Example Result
+
+```json
+{
+    "success": true
+}
+```
+
+## Bad Request Example Result
+
+If the user is not a leader, will return a `400 bad request` status.
+
+```json
+{
+    "success": false,
+    "error": "User is not a leader [error-user-not-leader]",
+    "errorType": "error-user-not-leader"
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.58.0 | Added. |