>The code would be something like:
>
>oIP = CREATEOBJECT('wwIPStuff')
>oIP.HTTPConnect('www.usps.com')
>oIP.AddPostKey('ctyStZip','78664-1234')
>lcBuffer = ""
>oIP.HTTPGetEx("/cgi-bin/zip4/ctystzip",@lcBUffer)
>?lcBuffer
>

Worked brilliantly once I did a SET PROC TO WWUTILS. This is fun stuff!

local oIP
set proc to wwutils
oIP = newobject('wwipstuff', 'wwipstuff.vcx')
oIP.httpconnect('www.usps.com')
oIP.AddPostKey('ctystzip','76053')
lcBuffer=""
oIP.httpgetex("/cgi-bin/zip4/ctystzip",@lcBuffer)
release oIP
? lcbuffer
set proc to