/salesApiConnection?action=isEmailRequired

params = {
    'action': 'isEmailRequired',
}

data = {"member":"ACwAAABIts8BpcO3opPUarG6T_voqH8XywDRCX0"}

response = requests.post(
    'https://www.linkedin.com/sales-api/salesApiConnection',
    params=params,
    cookies=cookies,
    headers=headers,
    data=json.dumps(data)
)