Hi,
Though I am new to Freelancer, but based upon my api expertise, i am very confident to give you the best results.
Most importantly i have experience working on more than 50 apis (Rest/Soap), including all popular social network apis(facebook,Twitter,Instagram etc.),popular shipping and e-commerce based apis(Fedex,UPS,Ebay,Amazon etc.) and many CRMs(such as Salesforce,Vtiger etc.)
Please give me chance to serve you.
Thanks
Manish Kumar