It's part of the "Update Processor" API, check out this thread from the NiFi dev list archive:
http://apache-nifi-developer-list.39713.n7.nabble.com/Reg-starting-and-Stopping-processor-tp7930p7949.html Regards, Matt On Mon, Apr 25, 2016 at 12:17 PM, dale.chang13 <dale.chan...@outlook.com> wrote: > Looking through the NiFi API, I am not finding a way to start a Processor, > Process Group, or an instance of NiFi. Is there a Rest API command I can > invoke to start one of these? The API says there is a way to start and stop > processors > > > > -- > View this message in context: > http://apache-nifi-developer-list.39713.n7.nabble.com/NiFi-Rest-API-Start-tp9598.html > Sent from the Apache NiFi Developer List mailing list archive at Nabble.com.