Again likely you confusing the service SNTC which has a Portal with parsed data with the customer on premise collector (CSPC) which does not have any access to exterior sites other than the site to upload the data to SNTC portal.  There will never be...

I think there may be a misunderstanding on the words and concepts of  SNTC versus CSPC.  why in your opinion should have APIs from CSPC to Service Now ?    

CSPC no longer have have default passwords after the versions 2.6 and 2.7 which are EOL and EOS

  Try This one and let me know:   <?xml version="1.0"?> -<Request requestId="3333" xmlns="http://www.parinetworks.com/api/schemas/1.1"> -<Job> -<Schedule operationId="1"> <JobSchedule runnow="true"/> -<DiscoveryJob identifier="fromPrime_discovery"> -...