Build a brand and improve trust with Alphanumeric Sender IDs.

Send SMS messages globally from a customised brand ID.
__Build a brand and improve trust with Alphanumeric Sender IDs.__

Highly recognisable, highly customisable

Use almost any combination of letters and characters to promote your brand around the world.
  • Memorable Sender IDs.

    Improve trust and create a consistent customer experience with Sender IDs which match your brand.

  • Go Global with One Brand

    Ensure brand consistency by sending to customers worldwide from your own tailored sender IDs

  • Ultra-high volume

    Telnyx's API delivers billions of messages globally, and Alphanumeric Sender ID allows for tens of thousands of messages per minute.

Getting started with Alphanumeric

  • 1. Understand your needs
    We help you determine the best configuration and pricing model for your application so you're set for the long run.
  • 2. Verification and registration
    We help you get started, including Level 2 Verification, message profile setup and guidance on applicable delivery and compliance considerations (such as pre-registration in receiving countries).
  • 3. Deployment and testing
    Test your Alphanumeric Sender ID via our all-in-one SMS API, and we support you to ensure everything works correctly.
  • 4. Scaling and ramping
    Fine tune your settings and work with our acclaimed support team to ensure you meet your goals.

Messaging that delivers.

  • Reach anyone, anywhere

    SMS with global reach. Choose from local and toll-free numbers, short code, alphanumeric sender ID, or even use your existing voice numbers.
  • Worry-free compliance

    Telnyx is a licensed carrier in 30+ countries, and we can confidently say we’re fully compliant in everything we do. So, your communications are in safe hands.
  • Support you can count on

    Our best-in-class 24/7 NOC support is available by phone and email for every single customer with no spend requirements, so your issues never need to wait until Monday.
  • Competitive pricing

    Telnyx maintains a high degree of control over our network and phone numbers, and is committed to minimising unnecessary markups and middle-men.

Ready to get started?

Questions on setup? Talk to our experts

Frequently Asked Questions

Getting started is simple. Start by setting up a free Telnyx account, getting Level 2 verification, and following the Alphanumeric Setup Guide for our SMS API.

If you have any questions, get in touch with our team of experts and we’ll help you get the answers you need.

Our pricing varies by country and is competitive with other SMS types. You can find out more on our SMS pricing page.

Alphanumeric Sender IDs allow you to send one-way SMS from an easily recognized name or number. Typical use cases include:

  • Account Notifications: Time-sensitive service and transaction notifications or critical alerts
  • Two-Factor Authentication: Help customers verify their account credentials and keep data safe
  • Appointment Reminders: Automatically remind customers about upcoming appointments
  • Shipping notifications: Simplify complex processes with instant alerts—order confirmations, delivery tracking and information to coordinate returns.

These types of use cases have applications across many industries, like healthcare, transportation and logistics, retail, hospitality, and financial services.

You can use up to 11 uppercase letters (A-Z), lowercase letters (a-z) and numbers (0-9).

Yes! Alphanumeric is part of our API. You can read more about this in our Developer Docs.

You can find the most up-to-date list via our API. You’re also welcome to contact a member of our team to learn more.

No. Alphanumeric SMS Sender IDs are one way only so customers are unable to reply.

Alphanumeric Sender ID allows you to create a consistent and credible SMS brand experience with global reach.