Here are the steps documented to sign an API request for CloudStack: https://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.2/html/API_Developers_Guide/signing-api-requests.html I guess, you need to add sorting of query parameters.
Prachi -----Original Message----- From: Nux! [mailto:n...@li.nux.ro] Sent: Wednesday, October 15, 2014 7:22 AM To: dev Subject: Using Cloudstack API from PHP issue Hi, A PHP developer colleague is trying to make some calls to the ACS API; some work (like deploy virtualmachine), but some fail, like "authorize securitygroup": "401 unable to verify user credentials and/or request signature" This is his code for generating the signature, is there anything obviously wrong with it? http://fpaste.org/142102/33827661/raw/ Lucian -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro
