Twilio SendGrid
About Twilio SendGrid
Leading cloud email API and SMTP relay platform processing 75+ billion emails during peak periods, serving developers and businesses with both transactional and marketing email at massive scale. Acquired by Twilio in 2019 for $3B. Offers RESTful APIs, extensive SDKs, deliverability optimization, ISP outreach, and real-time analytics. Developer-first design with comprehensive documentation makes it the industry standard for programmatic email delivery.
Why Notable
One of the largest cloud-based email delivery platforms; processes 100B+ emails monthly. Acquired by Twilio (2019). Offers both transactional email API and marketing campaigns. Industry-standard deliverability tools and analytics.
