SendGrid

SendGrid by Twilio is a cloud-based email platform offering both marketing and transactional solutions. It boasts strong infrastructure for high deliverability, handling billions of emails monthly. Marketers can create campaigns with a code editor or a drag-and-drop builder. Features include automated welcome series, segmentation, A/B testing, and dynamic content insertion. SendGrid’s real-time analytics show deliverability, open and click rates, and spam complaints. Deep APIs and an SMTP service let developers integrate triggered sends, order confirmations, or password resets into apps with minimal overhead.