
Twilio
Sinch
MessageBird
Nexmo
Clockwork SMS
Textmagic
Textlocal
SMS messaging service provider offering two-way SMS communication services.

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Brings voice and messaging to your web and mobile applications.
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Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
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Nexmo is a simple two way SMS API with global reach and wholesale rates
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Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.
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Send time-sensitive texts and email campaigns, track results, and manage your business conversations on the most popular channels.
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