# Introduction

This document covers the general knowledge, core concepts of mLayer and its products. Visit the links below for other documentations

* [Protocol Docs and RFC](https://app.gitbook.com/o/lbzFZR7nAlRMwV9FR737/s/tg6ItnHYbOV6ybregLrR/)
* [Validator Node API doc](https://app.gitbook.com/o/lbzFZR7nAlRMwV9FR737/s/nldoofuphzIhStBheARc/)
* [Message Server API doc](https://app.gitbook.com/o/lbzFZR7nAlRMwV9FR737/s/48xWDIeixcb4xG6I21m3/)