What is SendGrid used for?
SendGrid is a cloud-based SMTP provider that allows you to send email without having to maintain email servers. SendGrid manages all of the technical details, from scaling the infrastructure to ISP outreach and reputation monitoring to whitelist services and real time analytics.
Is SendGrid open source?
Official open source libraries - send emails and integrate with our APIs fast.
Is SendGrid an API?
Twilio SendGrid offers a Web API that allows customers to retrieve information about their accounts such as statistics, bounces, spam reports, unsubscribes, and more. This API is not RESTful—most calls allow both GET and POST HTTP verbs to be used interchangeably, and other verbs are not supported.