diff --git a/app/Http/Controllers/Support/Messages/SendingController.php b/app/Http/Controllers/Support/Messages/SendingController.php
index a321470df5..7e0f96fe3c 100644
--- a/app/Http/Controllers/Support/Messages/SendingController.php
+++ b/app/Http/Controllers/Support/Messages/SendingController.php
@@ -9,6 +9,60 @@ use Illuminate\Support\Facades\Mail;
 
 class SendingController extends Controller
 {
+
+    /**
+     * Send a support message.
+     *
+     * @OA\Post(
+     *      path="/api/v1/support/messages/send",
+     *      operationId="supportMessage",
+     *      tags={"support"},
+     *      summary="Sends a support message to Invoice Ninja team",
+     *      description="Allows a user to send a support message to the Invoice Ninja Team",
+     *      @OA\Parameter(ref="#/components/parameters/X-Api-Secret"),
+     *      @OA\Parameter(ref="#/components/parameters/X-Api-Token"),
+     *      @OA\Parameter(ref="#/components/parameters/X-Requested-With"),
+     *      @OA\RequestBody(
+     *         description="The message",
+     *         required=true,
+     *         @OA\MediaType(
+     *             mediaType="application/json",
+     *             @OA\Schema(
+     *                 type="string",
+     *                 @OA\Property(
+     *                     property="message",
+     *                     description="The support message",
+     *                     type="string",
+     *                 ),
+     *             )
+     *         ),
+     *      ),
+     *      @OA\Response(
+     *          response=200,
+     *          description="Success",
+     *          @OA\Header(header="X-API-Version", ref="#/components/headers/X-API-Version"),
+     *          @OA\Header(header="X-RateLimit-Remaining", ref="#/components/headers/X-RateLimit-Remaining"),
+     *          @OA\Header(header="X-RateLimit-Limit", ref="#/components/headers/X-RateLimit-Limit"),
+     *          @OA\MediaType(
+     *             mediaType="application/json",
+     *               @OA\Schema(
+     *                 type="array",
+     *                 @OA\Items(
+     *                     type="string",
+     *                     description="Server response",
+     *                     example=true,
+     *                 ),
+     *             )
+     *          )
+     *       ),
+     *       @OA\Response(
+     *           response="default", 
+     *           description="Unexpected Error",
+     *           @OA\JsonContent(ref="#/components/schemas/Error"),
+     *       ),
+     *     )
+     *
+     */
     public function __invoke(Request $request)
     {
         $request->validate([