Leverage an enterprise-grade SMS API to improve your customer experience.

Send and receive texts globally with the lowest-cost fully featured SMS API.Why pay more for SMS? See SMS Pricing

Improve SMS delivery with smart features

Number Pool

Spread message delivery across a group of phone numbers.


Send messages from the same local area code as the recipient.

Sticky Sender

Send every message to a customer from the same number.

Messaging Profiles

Manage and segment customer profiles for targeted communications.

Number Health

Track the health of your numbers with real-time metrics.

Delivery Reports

View detailed records in real-time to gain new insights.


Enable signature generation to verify Telnyx webhook requests.

Enhanced Security

End-to-end encryption over private connections.

Provision new numbers instantly, or port numbers seamlessly via our Portal or the Telnyx SMS API.
"Because of our unique carrier infrastructure, Telnyx is able to offer the most reliable, fully featured SMS API at lower costs than any other provider."
Mark Morse
Customer Success
  • Numbers in over 60 countries
    Choose long code, alphanumeric ID or toll-free numbers to extend your global reach.
  • MMS
    Use instant MMS to create highly memorable, shareable moments with your customers.
  • Short Code
    Improve reliability and throughput for your time-sensitive alerts, password resets and campaigns.

Integrate your application with Telnyx in minutes

Get started fast with comprehensive documentation and support.

  • Quickstart guides
  • Easy-to-follow tutorials
  • Python, Ruby, PHP and Node SDKs
  • API reference docs

Explore the Docs


Switch from Twilio in minutes using our Twexit API.

The Twexit API allows Twilio customers to move their SMS services to a lower cost, more reliable messaging provider.

  • Changing is easy. Switch with minimal changes to your current Twilio messaging code.

  • Start saving in minutes. Using the Twexit API will allow you to save 70% on SMS costs.
  • Twilio relies on middlemen for numbers—meaning higher markups and less flexibility, whereas Telnyx is a carrier—so you’ll get direct access to a database of global numbers.

use cases

Discover how businesses are using Telnyx

  • Customer Support

    Engage in text conversations for fast resolutions and happy customers.

  • Two Factor Authentication

    Use SMS to verify customers’ account credentials and keep your data safe.

  • Notifications and Reminders

    Trigger timely SMS alerts account notifications or appointment reminders.

  • Instant Lead Alerts

    Instantly connect sales reps with leads to increase productivity.

Choose Telnyx for messages that send first time, every time.

  • High Deliverability
    Telnyx is an enterprise-grade carrier with our own private backbone
  • Deep Number Inventory
    We give you infinite choice and flexibility with phone numbers in over 60 countries.
  • Global Reach
    Extend your global footprint, reach any SMS-enabled number in the world.
  • Unparalleled 24/7 Support
    Our team of in-house engineers is available around the clock.
  • Fair and Transparent Pricing
    Pay-as-you-go pricing with automatic volume and commitment discounts.

Frequently Asked Questions

How Do I Get Started With The Telnyx SMS API?
To get started, sign up for a Portal account, then follow the steps in our quickstart guide to buy a messaging enabled number, create a messaging profile and start sending text messages.

Can I Use the Telnyx SMS API with WordPress?
You can! Check out the PHP docs in our Developer Center to start building with WordPress.

What is an SMS API?
An SMS API is a software interface that allows developers to build code that can send and receive SMS messages using an Application Programming Interface (API).

Can I use Python with the Telnyx SMS API?
Yes, check out our Python SDK and range of easy-to-follow tutorials built by Telnyx engineers in our Developer Center to get started.

Can I use PHP with the Telnyx SMS API?
Yes! Take a look at our Developer Center for our PHP SDK and a range of guides to help you get started integrating Telnyx messaging with PHP.

Is there support for sending bulk SMS?
Telnyx has the ability to scale with you and supports large scale and broadcast messaging. Make sure your messages follow the Telnyx Acceptable Use Policy.

Ready to get started?

Try it Free

Questions on setup? Talk to our experts

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