Hello,
I'm Serhii Kniaziuk (Ukraine. +02 EEST)
I can implement this API into your wp-site through custom wp-plugin. So, you'll be bale to enable/disable. Also all the changes will be saved if you upgrade your wp-site to the newer version in the future. The plugin will include wp-admin area to setup: companyID, companyPassword, roomID etc
Now, shortly about me:
I'm 9+ years php/js/html/css programmer, including base design and "psd to html" work. I created more than 40 wp-plugins and customized hundreds.. I'm new at freelancer.com (about three months), but already did and customized about ten wp-plugins for customers from freelancer.com (including some API integration work). You can check feedback in my profile reviews.
If you have questions, please be free to ask me.
Thanks for reading and have a nice day!