Integrate 10 similar APIs

Description

Integrate 10 APIs of 3 different categories into my wordpress website without the data slowing down the website nor the data going into the wrong category. please confirm how much you will do the entire integration and please confirm if you will be using plugin or fully coding.
Please check and only quote your best and final rate and timeframe for these 10 similar APIshttps://developers.greenhouse.io/job-board.html#list-officeshttps://github.com/lever/postings-apihttps://developers.workable.com/

Thanks.