Belki faydası olur;
https://support.google.com/merchants.../2948694?hl=tr
https://support.google.com/merchants/answer/6149970
https://support.google.com/merchants..._topic=7259127
https://support.google.com/merchants..._topic=7288019
https://support.google.com/merchants...3536&rd=1#gtin

Ödeme ile alakalı Rich snippet vb. konuları aratırsınız. (Benim aklıma gelen bu.)