A Customer list is a static list of customers. When you upload a customer list, if a customer in the customer list does not exist in Blueshift, a profile is created.

 You can use customer lists for different reasons. For example:

  • To add additional customers not captured in Blueshift.
  • Withhold a randomly selected set of customers from being messaged for purpose of a "control" group.
  • Use in a segment to simply send an email to an externally generated list of emails.

Customer data format

  • A customer list must be a .txt file with one email or customer_id per row.
  • Do not include any headers.
  • Do not include any attributes.

Note: If you are using the customer list to create customers in Blueshift, you can add attributes for these customers by uploading data from Customer Data > Attributes.

Upload a customer list

To upload a customer list, complete the following steps:

  1. Go to Customers > List and click +CUSTOMER LIST > File Upload.
  2. Select the File to upload.
  3. Select the Identifier as either Email or Customer ID.
  4. Sample data is fetched from the file.
  5. Verify the sample data.
  6. Add a Description.
  7. Click Upload.


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