Twilio
Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more.
Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.
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User.com
User.com is a full-stack marketing automation software for all your messaging and relationships with customers. User.com is a single platform with many features providing you with easy-to-use, robust tools for marketing, sales, and support teams.
Use the various features to send consistent communication to your customers across a variety of channels, from email marketing, live chat, web and mobile push, SMS messaging, call centers, and more, turning every visitor into happy customers.
See every piece of data and measure everything with all activities organized in a single place, that can be customized to show only essential metrics as you determine, to make actionable decisions easy.
Ready to check it out? Sign up for a free demo trial now at User.com →
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Gupshup
Headquartered in Silicon Valley, Gupshup is a leading conversational messaging platform that enables businesses to build engaging conversational experiences seamlessly across 30+ messaging channels using a single API. Gupshup offers an easy-to-use omnichannel messaging API, advanced bot-building platform and mobile marketing tools. Gupshup's messaging platform handles over 6 billion messages per month enabling over 39,600 businesses send messages to several billion users across popular messaging channels such as SMS, Voice, WhatsApp, Mobile Web, Android RCS, Instagram, Twitter, Telegram, WeChat, FB Messenger, Slack, Viber, Skype and many more. Gupshup's constant innovation enables it to offer market leading features on its platform, enabling developers to build Interactive, Programmable and Rich omni-channel CX journeys across messaging services
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