| Name | Lines of code | Maintainability | Test coverage |
| src/Nutgram.php | 211 | A 1 hr | A 100% |
| src/Telegram/Client.php | 241 | B 5 hrs | B 86% |
| src/Testing/FakeNutgram.php | 262 | B 4 hrs | A 92% |
| src/Support/DeepLink.php | 311 | C 1 day | A 100% |
| src/Handlers/Listeners/MessageListeners.php | 315 | A 3 hrs | A 100% |