Twilio SendGrid Email API vs. SparkPost

SendGrid makes it simple and stress-free to communicate with your customers. Our technology and expertise helps senders save time, scale their business, and succeed in an ever-changing email landscape. We are trusted by over 80,000 customers globally - big and small - to send over 45 billion emails every month. We help developers send with confidence by providing: FAST AND FRIENDLY INTEGRATION SendGrid's optimized integration tools and standardized API were built by developers for developers to make integrating with SendGrid a breeze.

SparkPost is the world’s #1 email infrastructure provider and the most performant email delivery service available. Our customers send over 5 trillion messages a year, over 37 percent of the world’s business email. Several SparkPost customers—including the largest social networks—send over a billion emails a day, making us the fastest-growing email delivery service provider on the market. For more than a decade, we’ve developed the leading technology in the email industry and the first email delivery service truly architected for the cloud.