Hello,
I have gone through your requirements and seen the reference link too and understood it.
We are skilled web designer and developer team and have expertise in eCommerce, Word press, PHP 5, HTML 5, CSS 3, wooCommerce, Shopping cart and MySql etc.
We have already worked on User registration/ login, Managing back end services, Create/ Modify/ Insert buttons handle by admin, API integration, Show categorises of products, Display product details, Add to cart with insert product/ Little description/ Quantities, Payment integration, Give rating and reviews and so on.
I am confident enough that we can do this project and can built this website as per your required specification.
There are following answers:
1) Yes, I have understood your all requirements.
2) Yes, We can integrate the functions into template.
3) No.
Please let me know if you have any query.
Waiting for your positive response.
Thanks
Nidhi