post https://withpersona.com/api/v1/importer/list-item/email-addresses
Bulk import email address List Items by uploading a CSV file.
Each row should be the details for a new List Item. The columns we allow are:
- value
- match_type (either 'email_address' or 'domain')
A match_type of 'email_address' will need to match the entire email address of an individual, while a match_type of 'domain' will match on the email address domain of an individual (i.e. all email addresses with domain 'gmail.com').