Hi Greg, > values = {'request':xml_request} > headers = { 'Referer' : 'YourCompany', > 'Host':'https://gatewaybeta.fedex.com/GatewayDC', > 'Accept':'image/gif, image/jpeg, image/pjpeg, text/plain, > text/html, */*', > 'Content-Type':'image/gif' > } Could it be Host? It should be "gatewaybeta.fedex.com" AFAIKT --eric