Telnyx SMS Reference Guide

Telnyx offers toll-free, long code and short code SMS, conversational SMS, plus MMS. Read our guide to find out what's best for your use case.

Programmable SMS Guide Download

Learn more about:

• Our Programmable Messaging products — including toll-free, long code, short code, conversational SMS, plus MMS.
• Which product is right for your use case.
• Information about configuration settings and limitations including queuing, throttling, character limits, auto-responses and error codes.
  
  To start sending SMS messages in minutes, check out our easy setup guide. Make sure you check out our SMS APIs Explained page for a deep-dive.