get https://www.virustotal.com/api/v3/monitor_partner/statistics
Statistics provide information about hashes detected and total hashes analyzed by your engine. In case you have more than one engine you can use filter=engine:
{
"data": [
{
"attributes": {
"date": 1517356800,
"engine": "[ENGINE-NAME]",
"hashes_count": 1840,
"hashes_detected_count": 34,
"items_count": 1840,
"items_detected_count": 34,
"period": "day"
},
"id": "[ENGINE-NAME]-day-2018-01-31",
"links": {
"self": "https://www.virustotal.com/api/v3/monitor_partner/statistics/[ENGINE-NAME]-day-2018-01-31"
},
"type": "monitor_partner_statistics"
}...
]
}