It is 100% compatible with woocommerce, has official plugin and works correctly without wc vendors! (Tested in other woocommerce stores!) I will update the template and check if everything works, if it is so perfect, if not, please, I will need help. Thank you. a greeting.
Here is the link with the official plugin for woocommerce! a greeting.
link plugin oficial Redsys: http://www.redsys.es/en/index.html#descargas