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.
Gomix - The easiest way to build the app or bot of your dreams
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
EmailJS - Send email directly from your client-side Javascript code – no server side code required. Add static or dynamic attachments, dynamic parameters, captcha code and more. Start with our free tier!
Recast.AI - Recast.AI is the leading platform to build, connect and monitor bots.