Sendgrid script

import sendgrid
from datetime import datetime

SENDGRID_API_KEY = "S3NGR1D_AP1_K3Y"
TEMPLATE_ID = 't3mpl4t3_1d'

sg = sendgrid.SendGridClient(SENDGRID_API_KEY)
date_time = datetime.now()
sender = "Axel Díaz <correo@example>"
subject = "[AXELIO] Test Sendgrid [{}]".format(date_time)
recipients = ['Axel díaz <correo@example.com>']
body = "This is a body"
template_id = TEMPLATE_ID

args = {
        # Basic vars
        'to': recipients,
        'subject': subject,
        'html': body,
        'text': body,
        'from_email': sender,
        }

message = sendgrid.Mail(**args)

message.add_filter('templates', 'template_id', template_id)
message.add_substitution('{{ prueba }}', body)
message.add_substitution('{{ titulo }}', "Prueba en Sendgrid!")
status, msg = sg.send(message)
print(status, msg, date_time)