How to create a multilingual email flow Smart Translations

How to create a multilingual email flow Smart Translations

Estimated 3 minute read

Updated Oct 8, 2026, 12:00 AM EST

Table of contents

Before you begin
Translate a flow
Editing original content after translating
See which messages are translated
Translations for cloned messages and A/B tests
Additional resources

Learn how to set up a flow to send in multiple languages, depending on the language preferences of your audience. Klaviyo can translate email content to 60+ languages.

Localizing flows is great if you have or plan to expand to an international customer base. Sending emails in each subscriber’s preferred language allows you to reach a wider audience which can increase overall engagement.

Before you begin

Enable Smart Translations from your account settings.

If you haven’t already, learn the basics of getting started with flows. This article mainly covers translation features for flows.

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Translate a flow

Make sure your email is fully edited and ready to send in its original language before translating. If you change the original content later, review and update any translations that are out of sync.

Create a flow or edit an existing flow.
Click on an email you want to translate.
In the Template section of the sidebar, click Edit.
In the editor, click Translate in the top right.
Choose the Written in language that the content was originally created in.
Select what languages you want to translate your content into by checking the box next to each language. This section will include any languages you chose in your translation settings.
If desired, click the dropdown under Additional languages to view and select languages that aren’t recommended.
If desired, choose a Default language for recipients whose preferred language is unavailable. You can choose the original language or one of the languages selected for translation.
Click Translate.

On the next step, review all the email elements that will be translated. You can manually edit any of these elements if needed. You can also click the edit button next to listed images to change them to ones appropriate for the selected language.
Click the edit button next to a listed text block to review and edit the full text.

If you selected multiple languages to translate into, click the arrows at the top or use the dropdown to switch between languages.

If you want to add more languages or remove the currently selected language, click the name of the language.

Once you’ve reviewed your translations, click Done.

Editing original content after translating

If you edit the original content of the email after you’ve already translated, a warning will appear at the top of the editor notifying you that your edits will affect translation.

To correct any potential translation errors:

Click Review translations next to the warning message.
Click Update translations to update the out-of-sync elements for the selected language. Review other languages that need updates as well.

To address an individual element, open its three-dot menu and choose an available option:
Re-translate - translates any changed text
Match source - matches image or URL to the original source
Edit - manually modify the element
Ignore - keep element as is

See which messages are translated

In the flow canvas, you’ll see an icon on the message card for messages that have translations. Hover over the icon to see the translation settings.

Translations for cloned messages and A/B tests

If you clone a flow email with translations, the new email will keep all translations from the original which you can freely edit. Learn how to clone a flow.

When you create an A/B test, new variations will keep translations from the original email.

Additional resources

Learn more about editing flows:

How to edit a flow

Learn how to edit the details and configuration of a flow in Klaviyo. - How to change a flow trigger

Learn how to create a copy of a flow in order to create a new version with a different trigger. A copy of the original flow must be created because once you have set the trigger for a flow, you cannot change it. Trigger filters, profile filters, additional email filters, and dynamic content in emails are all reliant on the specific trigger you set for a flow. Most likely, if you change the trigger for an existing flow, this will cause conflicts with your filters and content that are challenging to identify and correct. - How to use Flows AI to build a flow

Learn how to use Klaviyo's Flows AI to build a flow from scratch. The option to create with AI accepts natural language inputs (i.e., normal phrases and sentences) and helps you choose a trigger and flow structure before you start editing the fine details.

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