...This way you can change your Twilio SendGrid API key without changing your code. Also, we strongly advise against storing sensitive data directly in your code. Integrate in minutes with our email API and trust your emails reach the inbox. Build meaningful connections with smart email marketing. Seamlessly integrate with our partners and major platforms. Create emails with HTML code, a drag-and-drop editor, or a combination of both. Engage contacts with approachable, time-saving automation.