Programmable SMS

Send and receive texts globally with the intuitive SMS API built for reliable, enterprise-grade messaging.

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SMS is one of the most effective ways to engage customers

Inform, reassure and delight your customers with the right message at the right time. Use SMS and MMS at scale for customer engagement and support, appointment reminders and account notifications.
Use Cases

Discover how businesses are using Telnyx

  • Customer Engagement

    Leverage the most popular form of communication to surprise and delight your customers.

  • Customer Support

    Engage in text conversations for faster resolutions and a brilliant customer experience.

  • Account Notifications

    Trigger timely SMS alerts like password resets, bill reminders and account changes.

  • Appointment Reminders

    Automatically remind customers about upcoming appointments using triggered SMS notifications.

For Developers

Putting developers in control

Build high-quality messaging into your apps, from setting up SMS-capable phone numbers to creating messaging profiles for different use cases. Find new numbers in seconds via our self-service portal or the Telnyx API. Choose from long code, short code or high-volume toll-free SMS to suit your needs. Messages and configuration are delivered via HTTP API or an SMPP bind. Simple setup with high deliverability — this is messaging done right.
// Send message

curl -X POST \
  --header "Content-Type: application/json" \
  --header "Accept: application/json" \
  --header "x-profile-secret: PROFILE_SECRET" \
  -d '{
    "from": "+13129457420",
    "to": "+14575550002",
    "body": "How can we help?"


Build sophisticated and responsive communications

Number Pool

Spread messages across a group of phone numbers to reach large audiences faster.


Automatically send messages from numbers that match your recipient's area code.

Sticky Sender

Send every customer message from the same number to build familiarity and trust.

Messaging Profiles

Manage and segment customer profiles for targeted, relevant campaigns.

Delivery Reports

Gain actionable insights with detailed records in real time.


Enable signature generation to verify Telnyx webhook requests.

Enhanced Security

Protect messages with end-to-end encryption.

Why Telnyx?

Access our enterprise-grade carrier network for a reliable, high-quality SMS experience.

Network Performance Guarantee

Telnyx is an enterprise-grade carrier with a private backbone that supports our SMS API.

Deep Phone Number Inventory

Our massive, spam-free inventory gives you complete flexibility when choosing area codes and numbers.

Global Reach

Leverage our global footprint to extend yours. Reach any SMS-enabled number in the world with high deliverability.

Unparalleled Support

Our team of in-house engineers are available around the clock for troubleshooting and support.

Transparent, flexible pricing that scales with you.

Volume Discounts

Automatic discounts are built in so you save more as your usage increases.

Committed Use Discounts

We offer even greater discounts for committed monthly usage.

Explore the Latest Industry Insights



Global Numbers

Search, purchase and provision numbers instantly in our cloud communications platform.

Identity Services

Instant access to CNAM, LRN and LERG data so you can make sound business decisions.

Ready to get started?

Get in touch or start building for free

Easy Setup • 24/7 Support • Secure

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