curl --location --request POST 'http://authvaultix.com/api/seller/?type=fetchallvars&sellerkey=undefined'{
"success": true,
"variables": [
{
"setting_key": "maintenance_mode",
"setting_value": "false",
"created_at": "2026-08-14 10:30:00"
},
{
"setting_key": "api_version",
"setting_value": "1.0",
"created_at": "2026-08-14 10:35:00"
}
]
}