SendGrid, Inc.

SendGrid, Inc. designs and develops a cloud-based email delivery platform for businesses. It offers products, such as the SendGrid Email API and SMTP service for transactional emails like shipping notifications and password resets; and Marketing Campaigns for creating and sending email newsletters. The company's platform provides various features, including ISP monitoring, sender authentication (domain keys, SPF), feedback loops, and analytics tracking via web beacons for email opens, clicks, and bounces. The company was incorporated in 2009 and is based in Denver, Colorado. As of February 1, 2019, SendGrid, Inc. operates as a subsidiary of Twilio Inc.