The billiger.de Product Importer extension for affiliate-toolkit allows you to add a pricecomparision to your WordPress sites.
With the billiger.de Product API you can easily create a price comparision on "auto pilot". The shops can be generated automaticially. billiger.de is a CPC program.
You are getting your Username and Password directly from the billiger.de Team (Solute).
Note: In some cases the partner shop is not listing all products from there online shop.