email parameter is optional: when omitted, existed_in_other_ws is null and only current / max_allowed are returned meaningfully.curl --location 'https://api.plusvibe.ai/v1/webhook/partner-check-email-account?pipl_username=partner%40example.com&pipl_password=undefined&workspace_id=64b1f5a2e1b0c2d3e4f5a6b7&provider_id=6a4a432f257de545d3947f3f&email=sender%40example.com'{
"code": 1,
"message": "SUCCESS",
"data": {
"existed_in_other_ws": false,
"current": 12,
"max_allowed": 50
}
}