ldebrouwer

Affiliate Press is a plugin that allows you to create products ( as a custom post type ) based on product feeds. It also collects other data for these products, such as prices and affiliate links, which are shown on the product pages in the front end, effectively allowing you to set up your own affiliate website as easy as 1-2-3.
Affiliate Press was specifically developed to be compatible with multiple affiliate programs and networks, aiming to support a broader range of feeds and therefor more competitive prices for your visitor.
Currently I’m looking for people who are willing to send me examples of their product feeds so I can improve this plugin further. Please send your XML product feeds as attachment to <a href="mailto:affiliatepress@lucdebrouwer.nl" rel="nofollow ugc">affiliatepress@lucdebrouwer.nl</a>.
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Affiliate Press

Affiliate Press allows you to set up an affiliate website based on product feeds as easy as 1-2-3.

icopydoc

This plugin allows you to create XML feeds for Google Merchant Center and Facebook.
IMPORTANT: The plugin Woocommerce is required!
PRO version: <a href="https://icopydoc.ru/product/plagin-xml-for-google-merchant-center-pro/?utm_source=wp-repository&utm_medium=content&utm_campaign=xml-for-google-merchant-center&utm_content=readme&utm_term=pro-version" rel="nofollow ugc">https://icopydoc.ru/product/plagin-xml-for-google-merchant-center-pro/</a>
<h4>Format and method requirements for product data feeds</h4>
For a better understanding of the principles of XML feed – read this: 
<a href="https://support.google.com/merchants/answer/7052112" rel="nofollow ugc">https://support.google.com/merchants/answer/7052112</a>

XML for Google Merchant Center

Good

Creates a XML feed that allows merchants to easily display their products across Google’s network.

Affiliate Press vs XML for Google Merchant Center