API documentation

One place for developers to find everything about Smartsupp live chat customization.


Basic API based on HTML attributes without need for coding knowledge.


Chat API

Allows chat box manipulation, design setup, event tracking, dynamic modifications and more.

Chat API


Server-side API. Do you want to create accounts or users in high volume? This API is for you.


Frequently used API features


Multi-language chat box

Set up different chat box localization for every language mutation of your website.

inline chat

Inline chat box

Embed chat box in any position on your website instead of using classic chat box in the corner of the screen.


Chat box design customization

Advanced customization of chat box texts, colors, bubble or logo. Create different chat box set up on every domain.

Customer info

Do you have a webshop or web application? Show info about your customers (name, email, spend etc.) in Smartsupp dashboard, where your agents can see it. You will find customer info in the right panel while chatting. If you are using a Smartsupp plugin for Wordpress, Prestashop or Magento, you can activate customer info in your plugin settings, otherwise use this API to set it up.

Advanced styles

Customize your chat design with CSS

Widget position

Set widget position on side or bottom

Chat export to a 3rd party system

Export all chat communication to a 3rd party system of your choice

Pre-chat form customization

If you are using the pre-chat form, you can customize the form fields.