from tnzapi import TNZAPI

client = TNZAPI(
    Sender="YOUR_EMAIL_ADDRESS",            # API Username
    APIKey="YOUR_API_KEY",                  # API Key
)

request = client.Send.Email(
    FromEmail = "from@test.com",            # Optional : Sets From Email Address - leave blank to use your api username as email sender
    EmailSubject = "Test Email",            # Email Subject
    MessagePlain = "Test Email Body",       # Email Body
    Recipients = ["email@test.com"]         # Email Recipients
)

response = request.SendMessage()            # Send Email

print(repr(response))