Uploading CSV Leads to Clay: Avoiding Duplicate Emails

Shubham N. · 2025-09-01 05:41:06.382417+00

Hi all, I have a list of leads exported from Apollo (CSV file). Since I was previously using Apollo for lead generation and sequences, could you please guide me on how to upload this CSV into Clay and also ensure that duplicate emails are not sent by checking against the existing Apollo data list?

Uploading CSV Leads to Clay: Avoiding Duplicate Emails | Clay