diff --git a/_data/toc.yml b/_data/toc.yml
index 59db04c50f..c242388b31 100644
--- a/_data/toc.yml
+++ b/_data/toc.yml
@@ -245,6 +245,7 @@
         - rename
         - roles
         - setCustomFields
+        - setDefault
         - setDescription
         - setJoinCode
         - setPurpose
diff --git a/contributing/documentation/documentation-map/README.md b/contributing/documentation/documentation-map/README.md
index 1d8191c8a8..9cffcf0fe6 100644
--- a/contributing/documentation/documentation-map/README.md
+++ b/contributing/documentation/documentation-map/README.md
@@ -281,6 +281,7 @@ Here you can also find what articles are incomplete and missing.
             - rename
             - roles
             - setCustomFields
+            - setDefault
             - setDescription
             - setJoinCode
             - setPurpose
diff --git a/developer-guides/rest-api/README.md b/developer-guides/rest-api/README.md
index b1e58b8ca3..f0f6f2a408 100644
--- a/developer-guides/rest-api/README.md
+++ b/developer-guides/rest-api/README.md
@@ -84,6 +84,7 @@ When calling a production Rocket.Chat server, ensure it is running via HTTPS and
 | `/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/)               |
 | `/api/v1/channels.setAnnouncement`            | Sets a channel's announcement.                              | [Link](channels/setannouncement/)               |
+| `/api/v1/channels.setDefault`                 | Sets whether a channel is a default channel or not.         | [Link](channels/setdefault/)                    |
 | `/api/v1/channels.setDescription`             | Sets a channel's description.                               | [Link](channels/setdescription/)                |
 | `/api/v1/channels.setJoinCode`                | Sets the channel's code required to join it.                | [Link](channels/setjoincode/)                   |
 | `/api/v1/channels.setPurpose`                 | Sets a channel's description.                               | [Link](channels/setpurpose/)                    |
diff --git a/developer-guides/rest-api/channels/README.md b/developer-guides/rest-api/channels/README.md
index 3cac255dda..9385ea9dbc 100644
--- a/developer-guides/rest-api/channels/README.md
+++ b/developer-guides/rest-api/channels/README.md
@@ -26,6 +26,7 @@
 | `/api/v1/channels.rename` | Changes a channel's name. | [Link](rename/) |
 | `/api/v1/channels.roles`  | Gets the user's roles in the channel.| [Link](roles/)   |
 | `/api/v1/channels.setCustomFields` | Sets a channel's custom fields. | [Link](setcustomfields/) |
+| `/api/v1/channels.setDefault` | Sets a channel's default status. | [Link](setdefault/) |
 | `/api/v1/channels.setDescription` | Sets a channel's description. | [Link](setdescription/) |
 | `/api/v1/channels.setJoinCode` | Sets the channel's code required to join it. | [Link](setjoincode/) |
 | `/api/v1/channels.setPurpose` | Sets a channel's description. | [Link](setpurpose/) |
diff --git a/developer-guides/rest-api/channels/setdefault/README.md b/developer-guides/rest-api/channels/setdefault/README.md
new file mode 100644
index 0000000000..de90424be7
--- /dev/null
+++ b/developer-guides/rest-api/channels/setdefault/README.md
@@ -0,0 +1,59 @@
+# Channel Set Default
+
+Sets whether the channel is a default channel or not.
+
+| URL | Requires Auth | HTTP Method |
+| :--- | :--- | :--- |
+| `/api/v1/channels.setDefault` | `yes` | `POST` |
+
+## Payload
+
+| Argument | Example | Required | Description |
+| :--- | :--- | :--- | :--- |
+| `roomId` | `ByehQjC44FwMeiLbX` | Required | The channel's id |
+| `default` | `true` | Required | Boolean of whether the room is default or not. |
+
+## 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.setDefault \
+     -d '{ "roomId": "ByehQjC44FwMeiLbX", "default": true }'
+```
+
+## Example Result
+
+```json
+{
+    "channel": {
+        "_id": "ByehQjC44FwMeiLbX",
+        "name": "testing0",
+        "t": "c",
+        "msgs": 0,
+        "u": {
+            "_id": "aiPqNoGkjpNDiRx6d",
+            "username": "goose160"
+        },
+        "ts": "2017-01-05T18:02:50.754Z",
+        "ro": true,
+        "sysMes": true,
+        "_updatedAt": "2017-01-05T19:02:24.429Z",
+        "usernames": [
+            "goose160",
+            "graywolf336"
+        ],
+        "joinCodeRequired": true,
+        "muted": [],
+        "default": true
+    },
+    "success": true
+}
+```
+
+## Change Log
+
+| Version | Description |
+| :--- | :--- |
+| 0.66.0 | Added |