api 288API of HTTP Protocol Specification. DA HU A_ HT TP _AP I_ V3.3 7 fo rV el se n gS dn Bh d. V3.37 Cybersecurity Recommendations Mandatory actions to be taken towardsAPI 288 is a unified application programming interface protocol tailored for Industrial Internet of Things (IIoT) environments. It enables secure, real-time data exchange