Email Delivery. Simplified.

The Email Service for Developers.

Bulk and transactional email-sending service.

Send transactional, triggered, and personalized email, then track results.

Bring voice and messaging to your web and mobile applications.

Fully managed push messaging service

Email delivery for web apps - done right.

A high volume push notification service for websites and mobile applications

A high volume push notification service for websites and mobile applications

HTTP-based interface created for developers keen on building bots for Telegram

Email delivery made easy

Email Delivery and Analytics for Developers and Enterprises

API for SMS, Voice and Phone Verification

Build your own customized Telegram clients

Connect intelligent bots that interact via text/sms, Skype, Slack, Office 365 mail and other popu...

Tools to help you build your bot and reach 900 million people around the world

Give users new ways to interact with your product by building engaging voice and text-based conve...

Simple and reliable messaging to reach over a billion devices.

Email automation for developers + testing and analytics for marketers.

A cross-platform messaging solution

A freeware, cross-platform messaging and Voice over IP service

Conversational interface platform for apps, devices, bots, and services.

A Complete Chat Platform, Messaging and Chat SDK and API

A cloud-based voice service

A free and open-source mail transfer agent

API platform to build Voice & SMS Applications

Improve customer engagement with push notifications, location-based marketing and analytics.

Building Blocks for Building Slack Bots

A question-answering computer system capable of answering questions posed in natural language

Create chatbots easily — no coding required

The phone system for modern business

Mailchimp for SMS

🤖 The ultimate open-source conversational platform with built-in natural language processing (NLU...

Build live interactive video, voice and messaging into your web and mobile apps

Build conversational voice and text interfaces, using the same deep learning technologies as Alexa

Build live interactive video, voice and messaging into your web and mobile apps

A platform notification service

Text to Speech in 47 Voices and 24 Languages

A module for Node.js applications to allow email sending

Reach users on the world’s most popular messaging app through one streamlined API, officially sup...

Intelligent, serverless bot service that scales on demand

HTML Email Layouts by MailChimp

Enabling Messaging for Businesses

Cloud business phone systems that work the way you do.

Customer engagement platform

Integrate your killer app onto WeChat's advanced mobile communication platform

Push Notifications for Websites

Connect your user with mobile group chat, content sharing, user accounts and more

Making business communications feel as natural as communicating with friends.

An open source IMAP and POP3 email server