Trying to use API. Need some assistance. Used the example to their server successfully. What is the URL suffixes for my server when working on localhoost?Thanks in advance

Try to see -

http://doc.developer.milestonesys.com/html/index.html?base=gettingstarted/intro_soap_protocols.html&tree=tree_3.html

Does this help? If not please elaborate of on your question. What do you want to do? What have you tried and what have you observed?