curl --location --request POST 'http://authvaultix.com/api/seller/?type=verifylicense&sellerkey=&license=undefined&format=json'{
"success": true,
"license": {
"id": 125,
"license_key": "ABCD12-EFGH34-IJKL56",
"subscription_id": 2,
"note": "Premium customer",
"expiry": 1786752000,
"used": 0,
"created_at": "2026-08-14 18:30:00",
"expiry_human": "2026-08-14 20:00:00"
}
}