--- title: SMS Sender ID—Alphanumeric Sender IDs for global brands canonical: https://telnyx.com/products/alphanumeric-sender-id --- # SMS Sender ID—Alphanumeric Sender IDs for global brands # Alphanumeric Sender IDs Global, recognizable custom alphanumeric sender IDs for 1-way SMS, sent via the Telnyx Messaging API. [Talk to an Expert](https://telnyx.com/contact-us) Get started in the [portal](https://telnyx.com/sign-up). **ABOUT** ## Build a brand with alphanumeric sender IDs Improve trust with highly recognizable and customizable Alphanumeric Sender IDs. Use almost any combination of letters and characters to promote your brand around the world at high volume. Get all of this via the award-winning Telnyx Messaging API. **FEATURES** ## Custom, recognizable, global alphanumeric sender IDs Send SMS with Alphanumeric Sender ID via Telnyx so that your customers receive messages from a memorable, global brand at high volume. * ### Memorable sender IDs Improve trust and create a consistent customer experience with sender IDs that match your brand. * ### Go global with one brand Ensure brand consistency by sending to customers worldwide from your own tailored sender IDs to over 200 country codes. * ### High volume Alphanumeric sender IDs allow for tens of thousands of messages per minute, so scaling isn’t an issue. * ### Authentication Protect your security and enable signature generation to verify Telnyx webhook requests. * ### Message concatenation If a SMS that was sent via the Messaging API is too long for its destination, the Telnyx messaging API will automatically separate it into two messages. * ### Intelligent message encoding We support any character set and language type. Our system automatically chooses the most compact encoding possible, minimizing cost per send. ## BENEFITS ## True global reach Telnyx supports all major country codes for alphanumeric SMS. Our built-for-scale platform and expert team can help 190+ ## Supported country codes ## Developer-friendly, scalable API Among SMS API providers, Telnyx consistently wins awards for its results and ease-of-use. We take care of the details as you scale, so you don’t have to. #1 ## Ranked API for results and ease of use HOW IT WORKS [Talk to an expert](https://telnyx.com/contact-us) ### Register your alphanumeric ID [If required](https://support.telnyx.com/en/articles/6354449-alphanumeric-sender-id), register your Alphanumeric Sender ID in destination countries. ### Set up a Messaging Profile In just a few clicks, complete L2 verification and set up a Messaging Profile in the Telnyx Portal. ### Test your first sends Test sending and receiving (where applicable) to handsets. Refer to our award-winning developer docs and expert support team to resolve any issues. ### Scale from tens to thousands Scale your messaging from tens to thousands of messages per day. Send messages for notifications, marketing and outreach, customer support, sales and much more. Step 1/4 **RESOURCES** ## Get started Our code is your code. cURLPythonRubyNodePHP.NET ``` curl -X POST \ --header "Content-Type: application/json" \ --header "Authorization: Bearer YOUR_API_KEY" \ --data '{ "from": "Telnyx", "to": "+13115552367", "text": "Hello, world!", "messaging_profile_id": "YOUR_MESSAGING_PROFILE_ID" }' \ https://api.telnyx.com/v2/messages ``` * ### DevDocs: Sending with alphanumeric Read our developer documentation on how to send via our Messaging API with an alphanumeric sender ID. [Explore docs](https://developers.telnyx.com/) * ### Country support for global alphanumeric messaging Read our support article on which country codes support alphanumeric sender IDs and learn whether or not registration is required. [View list](https://support.telnyx.com/en/articles/6354449-alphanumeric-sender-id) **PRICING** ## Alphanumeric Sender ID pricing Our team is committed to providing you with competitive rates, including contracted commitment discounts for large volumes. Starting at: $0.033 per message [See pricing](https://telnyx.com/pricing/messaging) SOLUTIONS ## Alphanumeric sender ID use cases * [![Woman receives account notification](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/Account_notifications-3137229e.png?width=640&format=webp)Account notificationsEasily build a customer notifications system by using our SMS API.See use case](https://telnyx.com/use-cases/customer-notifications-system) * [![Woman delivers package to man](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/Order_tracking_software_for_last_mile_delivery-cd603b10.png?width=640&format=webp)Order trackingUse an alphanumeric sender ID to update customers on shipments and deliveries. See use case](https://telnyx.com/use-cases/order-tracking) * [![Man enters 2FA code on website](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/Two-Factor_Identification-7d25ba85.png?width=640&format=webp)Two-factor authenticationUse an alphanumeric sender ID to verify account credentials and keep data safe.See use case](https://telnyx.com/use-cases/two-factor-authentication) ## Sign up and start building [Talk to an Expert](https://telnyx.com/contact-us)[Sign up](https://telnyx.com/sign-up) ## FAQ ### How do I get started with an alphanumeric sender ID? What is the process for setup? 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. ### What is an alphanumeric sender ID, and how is it different from normal numbers? ### What is the alphanumeric sender price? ### Can I use the Messaging API for alphanumeric? ### Which countries support alphanumeric sender ID? ### Can customers reply to alphanumeric sender ID messages? Are they 2-way? **Resources, Docs, Support** ## Alphanumeric Sender Id hub * ### Alphanumeric Sender (Messaging) | Telnyx Set up Alphanumeric Sender IDs with Telnyx for identifiable one-way text messages. [Read more](https://developers.telnyx.com/docs/messaging/messages/alphanumeric-sender-id) * ### Send a Message on the Telnyx Platform | Telnyx Learn to send SMS and MMS using Telnyx API with curl commands. Simplify your messaging today. [Read more](https://developers.telnyx.com/docs/messaging/messages/send-message) * ### Messaging character and rate limits (Messaging) | Telnyx Understand Telnyx SMS limits. Our guide helps you optimize message length and sending rates for best performance. [Read more](https://developers.telnyx.com/docs/messaging/messages/character-and-rate-limits) * ### Telnyx Messaging Types | Telnyx Telnyx's Developer Documentation provides all the information you need to get started with messaging on our platform. This includes tutorials, code samples and more. [Read more](https://developers.telnyx.com/docs/messaging/messages/telnyx-messaging-types) * ### Messaging APIs | Telnyx With the Messaging family of products, you can send and receive SMS/MMS messages from your apps, facilitate interaction with The Campaign Registry (TCR) for 10DLC compliance, and more! [Read more](https://developers.telnyx.com/api/messaging) * ### Send a message API | Telnyx Send a message with a Phone Number, Alphanumeric Sender ID, Short Code or Number Pool. [Read more](https://developers.telnyx.com/api/messaging/send-message) * ### Create a messaging profile API | Telnyx Create a messaging profile [Read more](https://developers.telnyx.com/api/messaging/create-messaging-profile) * ### Retrieve a phone number with messaging settings API | Telnyx Retrieve a phone number with messaging settings [Read more](https://developers.telnyx.com/api/messaging/get-phone-number-messaging-settings) * ### Update a messaging profile API | Telnyx Update a messaging profile [Read more](https://developers.telnyx.com/api/messaging/update-messaging-profile) * ### What is SMS? Complete guide to short message service SMS (short message service) is one of the most popular messaging technologies. Learn about its benefits and how it compares to other messaging options. [Read more](https://telnyx.com/resources/what-is-sms) * ### Learn about the powerful features of the Telnyx SMS API What is an SMS API? Dive into the world of real-time messaging, which connects apps to telecom networks, and discover its potential for your business. [Read more](https://telnyx.com/resources/sms-api-explained) * ### What is an SMS number? SMS number types explained Discover the different SMS number types and their unique advantages. Learn how to choose the right SMS number type for your business needs. [Read more](https://telnyx.com/resources/sms-numbers-traffic-types) * ### Conversational SMS | Complete Guide to the Future of Texting In a sea of robotic messaging and automation, conversational SMS is driving dialogue and providing customers with the personal touch they deserve. [Read more](https://telnyx.com/resources/conversational-sms) * ### Mastering SMS character limits: Why it matters Learn about SMS character limits to avoid these four obstacles businesses face when texting. [Read more](https://telnyx.com/resources/mastering-sms-character-limits) * ### Telnyx - How to Ensure Compliance With SMS Regulations. There are regulations that dictate how organizations can interact with end users via text. Understand what the rules are & how to comply with them. [Read more](https://telnyx.com/resources/how-to-ensure-compliance-with-sms-regulations) * ### CTIA guidelines: Mastering messaging compliance Learn about CTIA guidelines and how they ensure your messaging program stays compliant. [Read more](https://telnyx.com/resources/ctia-sms-guidelines) * ### Mass text messaging: How to get started with Telnyx Learn the advantages of mass text messaging for business and how to send messages in bulk with the Telnyx SMS API. [Read more](https://telnyx.com/resources/bulk-sms-guide) * ### Types of phone numbers and their business use cases Discover different types of phone numbers, their benefits, and which number is the best fit for your use case. [Read more](https://telnyx.com/resources/types-of-phone-numbers) * ### Telnyx Blog | CPaas & UCaaS Resources Find data-driven research, comprehensive guides and all things SIP trunking, voice and SMS APIs, wireless and more. [Read more](https://telnyx.com/resources/topic/messaging) * ### The Better Twilio Alternative - Telnyx Switch to Telnyx for a better Twilio alternative. Benefit from our competitive pricing, private global network, and award-winning support. [Read more](https://telnyx.com/the-better-twilio-alternative) * ### Top 5 Twilio Verify API alternatives Looking for the best verification API for your business? Don’t just default to Twilio Verify API. Consider some of these great options instead. [Read more](https://telnyx.com/resources/twilio-verify-api-alternatives) * ### Alphanumeric Sender ID | Telnyx Help Center Depending on the location, Alphanumeric Sender IDs can change. Telnyx facilitates smooth global SMS delivery. [Read more](https://support.telnyx.com/en/articles/6354449-alphanumeric-sender-id) * ### Sending Alphanumeric SMS - Sender ID | Telnyx Help Center This article gives an overview of how you can start sending Alphanumeric SMS [Read more](https://support.telnyx.com/en/articles/4371498-sending-alphanumeric-sms-sender-id) * ### Telnyx SMS Guide | Telnyx Help Center Here you will find a collection of links that will explain how to build applications using our SMS offering. [Read more](https://support.telnyx.com/en/collections/133103-telnyx-sms-guide) * ### Getting Started with Messaging | Telnyx Help Center Begin with Telnyx messaging: Toll-free, error codes, SDKs, and webhook utilization. [Read more](https://support.telnyx.com/en/collections/2500425-getting-started-with-messaging) * ### Country Specific SMS Guidelines | Telnyx Help Center A list of various countries and their SMS guidelines for easy communication. [Read more](https://support.telnyx.com/en/collections/3731154-country-specific-sms-guidelines) * ### Telnyx Messaging Error Codes | Telnyx Help Center This article provides a breakdown of the messaging error codes used by Telnyx and their meanings! [Read more](https://support.telnyx.com/en/articles/6505121-telnyx-messaging-error-codes) * ### SMS Marketing API and Platform \[Use Cases\] Enhance your SMS marketing with Telnyx's powerful API and platform. Start optimizing your campaigns today. [Read more](https://telnyx.com/use-cases/sms-marketing) * ### SMS API | Built for CRM and Sales Enhance your CRM tool with our SMS API. Build customer relationships seamlessly while ensuring compliance with data and privacy restrictions. [Read more](https://telnyx.com/use-cases/sms-api-crm-sales) [Start building](https://telnyx.com/sign-up)