diff --git a/src/base-apis.js b/src/base-apis.js
index 6e9364b0b..135449835 100644
--- a/src/base-apis.js
+++ b/src/base-apis.js
@@ -438,6 +438,34 @@ MatrixBaseApis.prototype.getGroupUsers = function(groupId) {
     return this._http.authedRequest(undefined, "GET", path);
 };
 
+/**
+ * @param {string} groupId
+ * @param {string} userId
+ * @return {module:client.Promise} Resolves: Empty object
+ * @return {module:http-api.MatrixError} Rejects: with an error response.
+ */
+MatrixBaseApis.prototype.inviteUserToGroup = function(groupId, userId) {
+    const path = utils.encodeUri(
+        "/groups/$groupId/admin/users/invite/$userId",
+        {$groupId: groupId, $userId: userId},
+    );
+    return this._http.authedRequest(undefined, "PUT", path, undefined, {});
+};
+
+/**
+ * @param {string} groupId
+ * @param {string} userId
+ * @return {module:client.Promise} Resolves: Empty object
+ * @return {module:http-api.MatrixError} Rejects: with an error response.
+ */
+MatrixBaseApis.prototype.removeUserFromGroup = function(groupId, userId) {
+    const path = utils.encodeUri(
+        "/groups/$groupId/admin/users/remove/$userId",
+        {$groupId: groupId, $userId: userId},
+    );
+    return this._http.authedRequest(undefined, "PUT", path, undefined, {});
+};
+
 /**
  * @return {module:client.Promise} Resolves: The groups to which the user is joined
  * @return {module:http-api.MatrixError} Rejects: with an error response.