Klaviyo is widely recognized for its powerful email marketing features, but did you know it also supports SMS campaigns?
In this article, we’ll explore whether you can send both email and SMS campaigns using Klaviyo, how the two channels work together, and what limitations you should be aware of, especially when it comes to SMS availability by country.
Klaviyo enables marketers to create and manage both email and SMS campaigns from a single platform. This unified approach means you can:
Create and manage multi-channel campaigns within a single workflow.
Segment your audience based on behavior across channels (e.g., opened email but didn’t click SMS).
Automate personalized customer journeys using both email and SMS touchpoints.
Manage compliance and consent preferences for each channel.
This integration of email and SMS makes Klaviyo a powerful tool for brands looking to deepen customer engagement and drive conversions through a more comprehensive communication strategy.
With Klaviyo, you can use both channels independently or together in flows and campaigns. Here’s how they typically complement each other:
Great for longer content, storytelling, product launches, and newsletters.
Best for including visuals, product recommendations, and rich formatting.
Cost-effective at scale with deep analytics and testing capabilities.
Ideal for urgent, time-sensitive messages like flash sales, abandoned cart reminders, or shipping updates.
Boasts higher open and click-through rates, especially on mobile.
Great for short, conversational messages and two-way communication.
Imagine launching a product. You can use email to introduce the product with rich content and visuals. A day later, follow up via SMS to nudge interested subscribers with a discount or reminder — all automated in the same Klaviyo flow.
While email is universally available in Klaviyo, SMS functionality is geographically restricted due to regulations, carrier requirements, and compliance standards. As of now, Klaviyo SMS is only available in selected countries, including:
United States
Canada
United Kingdom
Australia
New Zealand
To use SMS in Klaviyo, you must:
Be operating in one of the supported countries.
Collect explicit SMS consent (separate from email consent) from your subscribers.
Set up a dedicated phone number or short code, depending on the country and volume.
Attempting to send SMS messages to numbers outside of supported regions may result in delivery failure or compliance violations.
Klaviyo continuously evaluates expanding SMS support to other countries, so it’s worth checking their official documentation or contacting support if you’re targeting a specific region.
If you’re in a supported country, here’s how to enable SMS:
Enable SMS in your Klaviyo account under Account > Settings > SMS.
Choose your sending number (e.g., toll-free, short code, or local number).
Collect consent properly using Klaviyo’s built-in forms or integrations with Shopify, WooCommerce, etc.
Segment your audience to identify who has opted into SMS.
Start building SMS campaigns or flows, either as standalone messages or in combination with emails.
SMS is a high-impact but highly regulated channel. To stay compliant and maintain trust:
Always obtain explicit opt-in before sending SMS.
Clearly communicate message frequency and how to opt-out.
Include the required disclaimers in your signup forms and messages.
Respect quiet hours and local regulations on timing and frequency.
Klaviyo helps automate compliance by managing opt-outs, consent status, and country-specific rules for you — but you’re still responsible for what and how you send.
Klaviyo is more than just an email marketing tool — it’s a complete customer engagement platform that lets you run powerful email and SMS campaigns side by side. With integrated flows, advanced segmentation, and centralized data, you can deliver a seamless experience across both channels.
However, while email is globally available, SMS campaigns are limited to certain countries, and you must navigate compliance carefully. If you’re eligible, Klaviyo SMS can be a high-ROI channel to complement your email marketing and boost your ecommerce performance.
If you’re ready to scale your communications, we can help! We are a certified Klaviyo partner with more than 20 years of experience in digital marketing, ready to come up with a fresh email marketing strategy for your e-commerce business.