appixia's cartAPI is best solution I have found on web for webservice.
Git Source
I am Using same API's for Prestashop from last 1 year for 1.5 version.
Now I have upgraded my prestahop version from 1.5 to 1.6 with latest one. After upgrade I have installed same cartAPI module from Git source but it's not working as they mentioned in it's supported version document,
Prestashop 1.5.x - Tested on 1.5.0.17 through 1.5.3.1
Can anybody help me why this is not working?
Is there anyone who can upgrade this API to work with 1.6 version? Requested to GIT
Now if I have to try for upgrade what type of changes have to make, please give suggestions.