The Guild Wars 2 API C/C++ Library Project provides methods for sending and receiving data from the Guild Wars 2 API's servers in C and C++. Methods for handling Items and Guilds are currently missing.
Play2Shop aims to be the "Ebates with Entertainment and Engagement." Play2Shop rewards gamers with points and pays shoppers with cash back that can both be used for discounts at over 1,000 retail partners. Additionally, the Play2Shop API enables game developers to join the Play2Shop community regardless of platform.