try to follow to HATEOAS.

src/API/Tasks/View.php

@@ -19,12 +19,22 @@ final class View
             return api_error('No id was given.', HTTP_STATUS::HTTP_BAD_REQUEST);
         }
 
+        $apiUrl = $request->getUri()->withHost('')->withPort(0)->withScheme('');
+
         $task = TasksCommand::getTasks($id);
 
         if (empty($task)) {
             return api_error('Task not found.', HTTP_STATUS::HTTP_NOT_FOUND);
         }
 
-        return api_response(Index::formatTask($task), HTTP_STATUS::HTTP_OK);
+        $response = [
+            ...Index::formatTask($task),
+            'links' => [
+                'self' => (string)$apiUrl,
+                'list' => (string)$apiUrl->withPath(parseConfigValue(Index::URL)),
+            ],
+        ];
+
+        return api_response($response, HTTP_STATUS::HTTP_OK);
     }
 }