I have been using Sendinblue, it has a nice email editor. The API seems good too. You can check that out.

writen by Kamal Kannan

I use Sendfox, but it is the most basic of the basic, free, get started, tool. I don’t know what API means exactly? I actually stopped using it because my email news wasn’t ready for it.

writen by LaLa Artica

I love mailchimp and the thought they’ve put into every small interaction - but it’s expensive if you’re doing automation.

Sendinblue makes me angry everytime I use it …. but it’s free limits are high so still using it.

writen by Sanat Hegde

I have been using Mailerlite for marketing emails.

Authentication and all of this now I’m using Fiirebase, before that I used Amazon SES with some projects

writen by Borja Soler

I use Postmark for transaction emails and it has the best API and deliverability is high. Its email editor though is pretty basic.

writen by Kamal Kannan