SMS Guide

Messaging Service Specification

Ready to reach the world? Sinch makes it easy to send and receive SMS messages anywhere, quickly and reliably! 

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From one-way to two-way SMS, from marketing to verification, we’ve got you covered whatever your use case. Download our service specifications for SMS messaging to find out more about our products.

  • 1-way SMS

  • 2-way SMS

  • MMS

  • Number lookup

  • Load test

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