# API PLEX Developer's Guide

## Release Note

{% content-ref url="release-note" %}
[release-note](https://developer.apiplex.net/release-note)
{% endcontent-ref %}

## Service

{% content-ref url="service/biz-message" %}
[biz-message](https://developer.apiplex.net/service/biz-message)
{% endcontent-ref %}

{% content-ref url="service/kakao-message" %}
[kakao-message](https://developer.apiplex.net/service/kakao-message)
{% endcontent-ref %}