I need to install the First Data GateWay Payment API to my website in php. I have a Gateway API guideline here:
[url removed, login to view]
Please bid ONLY if you have done this job before with PHP. Thanks
I also already have an ssl certificate, And merchant account with firstdata. You will be working with another coders, The other coders are creating the cart section, you will create the page to enter credit card details (first data gateway) and work with them to intergrate the system..