Seeking help creating a "Create an Account" Signup page

I'm looking for some API programming help to create a "Create an Account" page for the Signup link... like the one at the link below. Some other stuff too... Many thanks, Dave

http://signup.createsend.com/signup.aspx?__utma=1.577640429226794500.1245272132.1245272132.1245275317.2&__utmb=1.1.10.1245275317&__utmc=1&__utmx=-&__utmz=1.1245275317.2.2.utmcsr=help.campaignmonitor.com|utmccn=(referral)|utmcmd=referral|utmcct=/category.aspx&__utmv=-&__utmk=47815719

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