API Variables

[vupheswusp]

Can someone point me to where I can find a complete list of API variables? I found the FORM variables in the Docs and have been trying to guess what the API variables would be based on those, but it's a little bit like throwing darts at a board :-)

[TJPride]

For what API?

http://www.authorize.net/support/AIM_guide.pdf
http://www.authorize.net/support/SIM_guide.pdf
http://www.authorize.net/support/DirectPost_guide.pdf
http://www.authorize.net/support/CIM_XML_guide.pdf
http://www.authorize.net/support/ARB_guide.pdf