Send at scale with SendGrid’s trusted email API and marketing campaigns platform, delivering 148+ billion emails for senders like you every month.

Learn to send transactional and marketing emails at scale with the platform that offers a 99% deliverability rate. From quickstarts and onboarding guides to full API reference, the Twilio SendGrid …

SendGrid was founded in 2009 by Isaac Saldana, Jose Lopez, and Tim Jenkins. [3][4] Later, it was incubated through the Techstars accelerator program. [5][6] By December 2009, the company …

The SendGrid Email API lets you create, send, and manage emails at scale with our RESTful APIs and SMTP relay (with support for various programming languages and frameworks). Quickly set up email …

SendGrid is the world's largest email infrastructure as a service provider. Try our SMTP service for free.

Nov 25, 2025 · SendGrid takes a streamlined approach to automated email marketing, focusing on time-based and behavior-triggered sequences. I’ve found it works well for straightforward campaigns like …

The SendGrid v3 Web API provides a REST interface to send email at scale and ensure your application can handle high volumes. The SendGrid API endpoints allow you to integrate with your tech stack to …