Implementing SNS DM in October CMS and Laravel

Hello.
I am building a site using SNS API in October CMS.
The nedeed features are as follows.
- Register Instgram API to my site and connect instagram account using it.
(Facebook and Youtube are already implemented.)
- Implement the DM function of Instagram, Facebook, and Line on my site.
(Twitter's DM function has already been implemented.)
I look forward to your participation.
Thanks.