Video SDK from Zoom - Build fully customizable video-based apps
Twilio - Brings voice and messaging to your web and mobile applications.
Amazon Chime - Online meetings and video conferencing
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
AuthKey.io - SMS API and WhatsApp Business API
Sinch - Sinch is a powerful voice and messaging SDK that lets you bring your apps to life with VoIP and...