Hello,
I welcome you to come in the inbox so we can discuss it in detail. I have experience with the following APIs:
Restful, Soap base, eBay, Google, WooCommerce, ZenDest, Yahoo, Twitter, Facebook, Youtube.
I also implemented OAuth 2.0
Please come to the inbox with your website login details to get started.
We can decide the budget after discussion. So, feel free to contact me. Thanks.