Use this checklist before resubmitting a rejected Australia branded sender ID registration.

Learn which phone number formats Klaviyo accepts when importing phone numbers for SMS marketing.

This article highlights the dos and don’ts of SMS marketing, helping you avoid common pitfalls and learn the answers to common questions.

This advice is for informational purposes only and is neither intended as nor should be substituted for consultation with appropriate legal counsel and/or your organization’s regulatory compliance team.

Learn how to add your brand name to shortened links in your Klaviyo SMS messages. Branding your shortened links makes them more personalized to your brand and credible, indicating to recipients that this link will take them to your website or page.

Learn how to automatically generate your own mobile terms of service (TOS) in Klaviyo. In addition to generating a mobile TOS that you can customize to fit your needs, Klaviyo can also host the TOS for you, and you can add a link to your TOS anywhere (like forms where you collect SMS consent). Alternatively, you can copy the text in the TOS and paste into an

In the instructions below, we use Google Sheets to indicate the country in an SMS list upload. This can be accomplished using other programs too, but the instructions may differ.

Types of numbers that can be ported Type of number Can it be ported? Toll-free Yes Short code Yes Shared short code No Branded sender ID No, but you can set the ID to be the same as your previous one Long code Yes in the UK, Ireland, and Australia

Find out how to request or register a long code so that you can start sending SMS.

Learn how to enable SMS in Klaviyo. These steps apply if you have already set up email in your Klaviyo account. If you are going through the setup wizard for both email and SMS, the steps may be different.

Learn how to create SMS disclosure language on the account-level, making it easy to add to your sign-up forms and subscribe pages.

Learn about branded sender IDs in Klaviyo, including how to set them up, where they’re available, and more.

When you change your phone number, it’s important to keep subscribers informed and set the right expectations. First, send a final text message from your current (old) number that informs subscribers of the switch; then, once you switch numbers, send a message confirming the change.

Find out how to add and remove SMS transactional or marketing consent in Klaviyo. Importing your SMS subscribers is an essential part of migrating providers or simply consolidating your data.

Why use Klaviyo for SMS? There are a few key benefits of using Klaviyo for SMS compared to other platforms. The first is that Klaviyo is an all-in-one platform to communicate with customers. Since both email and text messages are available in Klaviyo, you can send customers messages via the channel they prefer without over-messaging them. This is particularl

A2P : Application-to-Person (A2P) messaging is any kind of message traffic in which a person receives messages from an application rather than another individual, and when it is typically not expected to receive a reply. A2P message includes, but is not limited to, marketing communications, appointment reminders, chat bots, notifications, and one-time passwo

Learn best practices for SMS compliance in your privacy policy. Note that unlike with terms of service, Klaviyo cannot host privacy policies.

Learn about the short code application process, including what you need to apply, how long it takes, and more.

US Short Code Brand Vetting is a mandatory compliance requirement established by the CTIA and enforced through the US Short Code Registry. The purpose of this annual verification is to ensure that each brand using a US short code is accurately identified, properly registered, and accountable for the messages they send to consumers. By confirming up-to-date b

Learn about Klaviyo’s billing system for text messages, such as why countries and channels have different credit values and what’s included in these credits.

Please note that only account Owners, Admins, and Managers have the ability to add and manage sending numbers.

Learn how SMS and MMS messages are similar and different as well as when and where to use them.

Use a text message when you want to make sure a message is seen quickly; for instance, when the content is time-sensitive (e.g., flash sale) or extremely important (e.g., store opening/closing). Further, SMS is useful for sending order updates or delivery confirmations, as your customers will know exactly when to expect their package and when they can go and

Learn why a toll-free number might have been rejected for verification, and what you may be able to do if this happens.

Learn about toll-free number verification, including what it means to be verified and how this works in Klaviyo.

Learn when to consider getting a short code, including why you might benefit and at what points a short code will be helpful.

Please note that SMS is available only in certain countries. See the list of countries where Klaviyo SMS is available .

Learn about the major similarities and differences in countries where Klaviyo SMS is available.