Coupon Feed Development using API from CJ, Linkshare, Google Affiliate Network Etc

Hi, I am looking for developers who have prior experience in development of Coupon Feed Script using API / webservices from CJ, Linkshare, Google Affiliate marketing etc. Technology to be used is PHP. I already have the CMS for manually managing coupon upload. I am now looking to automate the coupon feed into the CMS using API / Webservices provider various affiliate networks. Only people with prior experience in this area need apply. Please provide with your best offer and some examples of your prior work in this area. Thank you,