SendGrid is a cloud-based email infrastructure and delivery service that helps businesses send transactional and marketing emails reliably. Founded in 2009, SendGrid has grown into one of the world's most popular email service providers, delivering over 45 billion emails per month for more than 80,000 paying customers across the globe. The company offers a variety of tools and features designed to make email delivery easy and efficient, including email APIs, marketing campaign management tools, and email authentication services.
- Email APIs for developers, including SMTP and REST APIs that integrate with a range of programming languages and frameworks.
- Marketing campaign management tools, including email templates, list segmentation, A/B testing, and reporting and analytics.
- Email authentication services, including DKIM and SPF, to help businesses protect their email reputation and improve deliverability.
- Real-time email validation and verification, ensuring that emails are delivered to valid and active email addresses.
- Email optimization tools, including email design testing, spam score testing, and deliverability monitoring.