The Datafeedr API plugin requires that you have an active Datafeedr API Product subscription. Purchase Subscription
The Datafeedr API provides access to our database of affiliate products. We have aggregated over 350,000,000 products from over 10,000 merchants and 32 affiliate networks. We have indexed and normalized the product data making it easy for you to search for and find products you want to promote on your website.
The Datafeedr API plugin currently integrates with the following plugins:
More information can be found here: wordpress.org/plugins/datafeedr-api