Hello efultz - here are a couple REST URLs that may get you started.
To find Monitoring Profiles or Threshold Profiles:
http://<dahost>:8581/rest/monitoringprofiles/
http://<dahost>:8581/rest/eventprofiles/ (Note: event profiles are synonymous with Threshold Profiles)
Monitoring Profile and Threshold Profile definitions will specify the:
1) Collections or Groups the profile is associated with.
2) Event rules associated with the profile.
To get more info on event rules:
http://<dahost>:8581/rest/eventrules