> For the complete documentation index, see [llms.txt](https://docs.mitter.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mitter.io/platform-reference-1/platform-reference.md).

# Introduction

Mitter.io provides a clean, easy-to-use API messaging solution that allows developers to quickly build applications around messaging. Along with a documented and defined API, **Mitter.io** also distributes SDKs for popular mobile and web platforms with a rich API to endlessly customize their app's behavior.

To get started, [sign-up](https://mitter.io/auth#/) for a free account and create a new application.