Hey,   i programmed a software in 2011 which worked with xml like this:   1. Generate xml 2. Send it with curl to   'https://'.$Key.'%'.$UN.':'.$PW.'@api.constantcontact.com/ws/customers/username/contacts'; It worked fine, but now it doesnt. Is there something changed? I entered the new password and key, but it doesnt seem to work and it enters me a 401: pplication data not found for key: %     Thank you in advantage     ... View more