diff --git a/SUMMARY.md b/SUMMARY.md
index bd865c0..8d5db8c 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -5,6 +5,6 @@
 * [Sending Profiles](sending-profiles.md)
 * [Templates](templates.md)
 * [Landing Pages](landing-pages.md)
-* [Campaigns](campaigns.md)
 * [Users & Groups](users-and-groups.md)
+* [Campaigns](campaigns.md)
 
diff --git a/users-and-groups.md b/users-and-groups.md
index 66452a9..c5b449c 100644
--- a/users-and-groups.md
+++ b/users-and-groups.md
@@ -264,8 +264,8 @@ A valid API key
 {% endapi-method-headers %}
 
 {% api-method-body-parameters %}
-{% api-method-parameter name="Payload" type="string" required=true %}
-The group to create in JSON format. See the introduction for the group format.
+{% api-method-parameter name="Payload" type="object" required=true %}
+The group to create in JSON format.
 {% endapi-method-parameter %}
 {% endapi-method-body-parameters %}
 {% endapi-method-request %}
@@ -338,3 +338,211 @@ When creating a new group, you must specify a unique `name`, as well as a list o
 }
 ```
 
+{% api-method method="put" host="https://localhost:3333" path="/api/groups/:id" %}
+{% api-method-summary %}
+Modify Group
+{% endapi-method-summary %}
+
+{% api-method-description %}
+Modifies a group.
+{% endapi-method-description %}
+
+{% api-method-spec %}
+{% api-method-request %}
+{% api-method-path-parameters %}
+{% api-method-parameter name="id" type="integer" required=true %}
+The group ID
+{% endapi-method-parameter %}
+{% endapi-method-path-parameters %}
+
+{% api-method-headers %}
+{% api-method-parameter name="Authorization" type="string" required=true %}
+A valid API key
+{% endapi-method-parameter %}
+{% endapi-method-headers %}
+
+{% api-method-body-parameters %}
+{% api-method-parameter name="Payload" type="object" required=true %}
+The updated group content. The full group must be provided in JSON format.
+{% endapi-method-parameter %}
+{% endapi-method-body-parameters %}
+{% endapi-method-request %}
+
+{% api-method-response %}
+{% api-method-response-example httpCode=200 %}
+{% api-method-response-example-description %}
+
+{% endapi-method-response-example-description %}
+
+```javascript
+{
+  "id": 1,
+  "name": "Example Modified Group",
+  "modified_date": "2018-10-08T15:56:13.790016Z",
+  "targets": [
+    {
+      "email": "foo@bar.com",
+      "first_name": "Foo",
+      "last_name": "Bar",
+      "position": ""
+    }
+  ]
+}
+```
+{% endapi-method-response-example %}
+
+{% api-method-response-example httpCode=404 %}
+{% api-method-response-example-description %}
+
+{% endapi-method-response-example-description %}
+
+```javascript
+{
+  "message": "Group not found",
+  "success": false,
+  "data": null
+}
+```
+{% endapi-method-response-example %}
+{% endapi-method-response %}
+{% endapi-method-spec %}
+{% endapi-method %}
+
+This API endpoint allows you to modify an existing group. The request must include the complete group JSON, not just the fields you're wanting to update. This means that you need to include the matching `id` field. Here's an example request:
+
+```javascript
+{
+    "id": 1,
+    "name": "Example Modified Go",
+    "targets": [
+    {
+        "email": "foo@bar.com",
+        "first_name": "Foo",
+        "last_name": "Bar",
+        "position": ""
+    }
+    ]
+}
+```
+
+Returns a 404 if no group is found with the provided ID.
+
+{% api-method method="delete" host="https://localhost:3333" path="/api/groups/:id" %}
+{% api-method-summary %}
+Delete Group
+{% endapi-method-summary %}
+
+{% api-method-description %}
+Deletes a group
+{% endapi-method-description %}
+
+{% api-method-spec %}
+{% api-method-request %}
+{% api-method-path-parameters %}
+{% api-method-parameter name="id" type="number" required=true %}
+The group ID
+{% endapi-method-parameter %}
+{% endapi-method-path-parameters %}
+
+{% api-method-headers %}
+{% api-method-parameter name="Authorization" type="string" required=true %}
+A valid API key
+{% endapi-method-parameter %}
+{% endapi-method-headers %}
+{% endapi-method-request %}
+
+{% api-method-response %}
+{% api-method-response-example httpCode=200 %}
+{% api-method-response-example-description %}
+
+{% endapi-method-response-example-description %}
+
+```javascript
+{
+  "message": "Group deleted successfully!",
+  "success": true,
+  "data": null
+}
+```
+{% endapi-method-response-example %}
+
+{% api-method-response-example httpCode=404 %}
+{% api-method-response-example-description %}
+
+{% endapi-method-response-example-description %}
+
+```javascript
+{
+  "message": "Group not found",
+  "success": false,
+  "data": null
+}
+```
+{% endapi-method-response-example %}
+{% endapi-method-response %}
+{% endapi-method-spec %}
+{% endapi-method %}
+
+Returns a 404 error if no group is found with the provided ID.
+
+{% api-method method="post" host="https://localhost:3333" path="/api/import/group" %}
+{% api-method-summary %}
+Import Group
+{% endapi-method-summary %}
+
+{% api-method-description %}
+Reads and parses a CSV, returning data that can be used to create a group.
+{% endapi-method-description %}
+
+{% api-method-spec %}
+{% api-method-request %}
+{% api-method-headers %}
+{% api-method-parameter name="Authorization" type="string" required=true %}
+A valid API key
+{% endapi-method-parameter %}
+{% endapi-method-headers %}
+
+{% api-method-body-parameters %}
+{% api-method-parameter name="file" type="object" required=true %}
+A file upload containing the CSV content to parse.
+{% endapi-method-parameter %}
+{% endapi-method-body-parameters %}
+{% endapi-method-request %}
+
+{% api-method-response %}
+{% api-method-response-example httpCode=200 %}
+{% api-method-response-example-description %}
+
+{% endapi-method-response-example-description %}
+
+```javascript
+[
+  {
+    "email": "foobar@example.com",
+    "first_name": "Example",
+    "last_name": "User",
+    "position": "Systems Administrator"
+  },
+  {
+    "email": "johndoe@example.com",
+    "first_name": "John",
+    "last_name": "Doe",
+    "position": "CEO"
+  }
+]
+```
+{% endapi-method-response-example %}
+{% endapi-method-response %}
+{% endapi-method-spec %}
+{% endapi-method %}
+
+This API endpoint allows you to upload a CSV, returning a list of group targets. For example, you can use the following `curl` command to upload the CSV:
+
+```text
+curl -k https://localhost:3333/api/import/group -XPOST \
+    -F "file=@group_template.csv" \
+    -H "Authorization: Bearer 0123456789abcdef"
+```
+
+The results of this API endpoint can be used as the `targets` parameter in a call to the [Create Group](users-and-groups.md#create-group) endpoint.
+