HIKVISION IP Surveillance API User Guide Version 2. 6 This specification defines a HTTP based application programming interface that enables physical security and video management systems to communicate with IP media devices in a particular way.

IP Surveillance API PTZ Service Specification Version 2 0 This specification mainly introduces the PTZ function section of ISAPI Protocol. All of interface definition in this specification is consistent with that of ISAPI protocol, the specification is a part of ISAPI protocol. The architecture, glossary and relationship are consistent with ISAPI IPMD documentation.