Returns search counts for facet terms. You can use basic API facet search.

Available fields:

• dtPotentialMatches.matches
• dtPotentialMatches.matchGroups
• dtPotentialMatches.dataTenant

POST {APIURL}/{TenantId}/entities/_facets?filter=(equals(dtPotentialMatches.dataTenant,'dataTenant'))
Headers: Authorization: Bearer 204938ca-2cf7-44b0-b11a-1b4c59984512
[
  {
    "fieldName" : "dtPotentialMatches.matches"
  },
  {
    "fieldName" : "dtPotentialMatches.matchGroups",
    "orderType" : "term",
    "pageSize" : 10,
    "pageNo" : 1
  }
]

POST {TenantURL}/entities/_facets?filter=(equals(type,'configuration/entityTypes/Individual'))
Headers: Authorization: Bearer 204938ca-2cf7-44b0-b11a-1b4c59984512
{
    "dtPotentialMatches.matches" : {
       "1" : 22,
       "2" : 33,
       "3" : 44
    },
    "dtPotentialMatches.matchGroups" : {
       "matchGroup1" : 17,
       "matchGroup2" : 32,
       "matchGroup3" : 6
    }
}