Build Custom API for Mobile App ( Wordpress WooCommerce) -- 10

Looking for experience only Wordpress Developer who knows how to build custom API for Mobile App. " $5 for each API plus some bonus after 3 API done and little bonus on completing all Project ", Max time I have 8 days for this all API. We need 1 API for every screen. Make sure you do share your experience and send me 1 example of API you have developed. Developers who are ready to make 1 API as demo will be given higher preference. Also you have to be available immediately.