SendGrid
Email API and marketing platform for scalable campaigns.
SendGrid is a scalable email API and marketing platform that enables startups to deliver transactional and promotional emails reliably. Its robust infrastructure supports high-volume sending, while features like dynamic templates, segmentation, and A/B testing enhance campaign effectiveness. SendGrid’s developer-friendly APIs and integrations with platforms like AWS and Salesforce simplify implementation, and its deliverability tools optimize inbox placement. For startups building customer-facing apps or running large-scale email campaigns, SendGrid offers a powerful, flexible solution to drive engagement and retention.