SendGrid Python API Client for Sending Email

sendgrid.py

import requests


class SendGrid:
    def __init__(self, **kwargs):
        self.api_key: str = kwargs.get('api_key')
        self.subject: str = kwargs.get('subject')
        self.sender: str = kwargs.get('sender')
        self.receivers: [str] = kwargs.get('receivers')
        self.content_type: str = kwargs.get('content_type', 'text/plain')
        self.content: str = kwargs.get('content')

    def build_json(self):
        return {
            'personalizations': [
                {
                    'to': [{'email': email} for email in self.receivers],
                    'subject': self.subject
                }
            ],
            'from': {'email': self.sender},
            'content': [
                {
                    'type': self.content_type,
                    'value': self.content,
                }
            ]
        }

    def send(self):
        return requests.post(
            url='https://api.sendgrid.com/v3/mail/send',
            json=self.build_json(),
            headers={
                'Content-Type': 'application/json',
                'Authorization': f'Bearer {self.api_key}',
            }
        )

using.py

sendgrid = SendGrid(
    api_key='SendGridAPIKey',
    sender='sender@email.com',
    receivers=['receiver@email.com'],
    subject='Subject email',
    content_type='text/plain',
    content='Hello World',
)

response = sendgrid.send()
log.debug(response.status_code)
log.debug(response.content)
log.debug(response.headers)