TEXT-ENABLED NUMBERS 

Text-enable your existing phone numbers or provision new ones 

Add two-way texting to the numbers your customers already know. Text-enable 10DLC, Toll-Free, or landline numbers to send and receive SMS and MMS through Sinch’s messaging APIs — so you can reach customers where they’re most likely to respond.  

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Join over 190,000 businesses, including 8 of the 10 largest tech companies in the world

THE SINCH DIFFERENCE 

Text-enable numbers without reworking your stack 

Sinch makes it simple to set up texting for new or existing 10DLC, Toll-Free, and landline numbers, include messaging in your apps, and scale customer interactions without adding complexity.  

API-driven automation

Send appointment reminders, shipping alerts, and marketing messages automatically—without manual texting or extra tools. 

Consistent numbers for customers  

Let customers call or text the same trusted business numbers. Consistent identities reduce confusion and build brand trust across voice and SMS. 

Developer-first design  

Flexible REST APIs, real-time webhooks, and clear docs let your team embed messaging into any workflow in minutes. 

COMMUNICATE

Send messages at scale with one powerful messaging API 

Turn tedious manual outreach into automated messaging. Send thousands of time-sensitive notifications effortlessly, while Sinch takes care of routing, encoding, and delivery receipts in the background. 

  • Appointment reminders arrive instantly  

  • Marketing alerts reach opted-in customers at the perfect time 

  • Shipping updates cut down on “Where is my order?” calls 

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CONNECT 

Unify your customer experience across voice and text 

Let customers call or text the same trusted business numbers. By using consistent identities across voice and SMS, you reduce confusion, improve response rates, and meet customers on the channel they prefer — without fragmenting the experience. 

  • Eliminate channel switching confusion 

  • Improve response rates with recognizable numbers 

  • Maintain a consistent brand presence at scale 

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FEATURE HIGHLIGHTS 

Messaging features built for scale and compliance 

Two-way SMS/MMS  

Send and receive text and multimedia messages to create rich, conversational experiences. 

Toll-Free and 10DLC texting  

Add texting to your local long codes and national Toll-Free numbers—including landline texting for the numbers you already use. 

Built-in compliance engine  

Fully compliant with all 10DLC (The Campaign Registry), TCPA, and CTIA guidelines. Built on ISO 27001 certified and GDPR compliant infrastructure. 

Global reach  

Use one API to text-enable numbers and deliver messages in the US, Canada, and beyond. 

Real-time delivery status  

Track each message’s journey with webhooks that send delivery receipts instantly. 

Powerful API-first platform  

Designed for developers and automation, it plugs messaging into any workflow at an unlimited scale. 

Comprehensive number support  

Deep expertise in 10DLC and Toll-Free covers every number type end-to-end. 

Global compliance as a service  

Our experts monitor and manage evolving regulations, limiting risk from your communications. 

REAL LIFE USE CASES 

How text-enabled numbers help teams excel 

Appointment reminders  

Cut down on expensive no-shows by sending automated SMS reminders for appointments, reservations, or deliveries directly from your scheduling system. 

Conversational support  

Let customers text your support number for fast answers for an easy-to-use channel that resolves issues without hold music or email threads. 

Marketing and promotions  

Reach opted-in audiences with relevant offers, product launches, and loyalty rewards—all delivered through high-engagement SMS campaigns. 

Two-factor authentication (2FA)  

Keep your user accounts safe by delivering time-sensitive verification codes over reliable A2P messaging infrastructure.
 

Frequently asked questions about text-enabled numbers 

Landline texting lets you send and receive SMS/MMS from a landline, 10-digit, or Toll-Free number. We host messaging on your number and connect it to our Conversation API so you can automate and manage conversations. 

Yes. In most cases we can enable texting on your existing 10DLC, Toll-Free, or landline number without affecting voice service through a process called hosting. 

You can keep your primary phone line as your business texting number for calls and texts, so customers always recognize who’s contacting them. 

We offer a streamlined workflow in our portal and through an API to register your brand and campaigns. Our compliance experts guide you to meet all carrier requirements and manage opt-outs (STOP/HELP) automatically. 

You’ll need a Sinch account, a local or Toll-Free number, and completed 10DLC Brand and Campaign registration for A2P use cases in the US. 

Pricing is pay-as-you-go. You pay a small fee per message sent or received plus the standard monthly rental for the phone number.