Import SMS contacts and phone numbers

You will learn Learn how to port an SMS sending number into Klaviyo.  Before you begin Porting can take around 4 weeks. When migrating to Klaviyo, please build in time for this process.  Note that...

You will learn Learn how to unsubscribe SMS profiles in bulk using a list upload. This may be useful if you want to clean your SMS list or ensure profiles that unsubscribed on a different platform ...

You will learn Learn how to format and import a list of SMS contacts into Klaviyo. You can only import SMS consent for people in countries where Klaviyo SMS is available.  Here, we discuss importi...

Overview Learn which phone number formats Klaviyo accepts when importing phone numbers for SMS marketing.  Accepted Phone Number Formats You can use several different formats for phone numbers with...

You will learn Learn how to indicate the country in a CSV file with SMS profiles. In the instructions below, we use Google Sheets to indicate the country in an SMS list upload. This can be accompli...

You will learn Learn how to filter your CSV file to remove SMS profiles who are currently unsubscribed. If you move opted-out contacts to a new spreadsheet, you can upload them as unsubscribed to S...

Overview Learn how to create a custom Zapier webhook to send email and SMS consent to Klaviyo. This integration is not fully supported by Klaviyo, but can be used as a work around if needed. We re...

Overview Learn how to import your data from Attentive to Klaviyo for your SMS program. When migrating from Attentive, you can upload your existing list of SMS subscribers to Klaviyo to start buildi...

Overview Learn how to import your data from Emotive to Klaviyo for your SMS program. When migrating from Emotive, you can upload your existing list of SMS subscribers into Klaviyo to start building...

Overview Learn how to import your data from Postscript to Klaviyo for your SMS program. When migrating from Postscript, you can upload your existing list of SMS subscribers to Klaviyo to start buil...

Overview Learn how to import your data from Retention Rocket to Klaviyo for your SMS program. When migrating from Retention Rocket, you can upload your existing list of SMS subscribers into Klaviyo...

Overview Learn how to import your data from SMSBump to Klaviyo for your SMS program. When migrating from SMSBump, you can upload your existing list of SMS subscribers to Klaviyo to start building o...

You will learn Learn how to properly inform subscribers when you switch your phone number.  Before you begin When you change your phone number, it’s important to keep subscribers informed and set t...