
SendGrid Email API
Mailgun
Resend
Brevo
Postmark
Mailjet
Elastic Email
Amazon SES
StreamSend
Constant Contact
MailChimp
Brevo
Litmus
Sparkpost
Twilio SendGrid Email API
Return Path
Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
Resend - Email for developers
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Postmark - Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.