API for SMS, Voice and Phone Verification
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Nexmo connects your apps directly to carriers around the world. Integrate SMS and Voice messages using one simple API. Use Nexmo Verity to register users, verify transactions, and implement two factor authentication.

Nexmo's Features
  • Inbound SMS
  • Outbound SMS
  • Outbound Text-To-Speech Calls
  • Outbound VoiceXML Calls
  • Inbound VoiceXML Calls
  • Outbound SIP
  • Inbound SIP
  • Number Verification
  • Number Insight

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