Twilio
Twilio is a cloud communications platform as a service company that allows software developers to programmatically make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs. The platform provides comprehensive infrastructure for messaging channels like SMS, WhatsApp, and RCS, email delivery services through SendGrid, user verification, and conversational AI orchestration tools for building integrated customer engagement workflows.
Checked on Sep 30, 2026.
Alternative resources
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Resend
Email platform for developers to send transactional and marketing emails at scale with a focus on deliverability.