With Heymarket Web, you can import contacts from a CSV. Here's how:
1. If you haven't already done so, setup your Heymarket Web account.
2. Sign in to Heymarket Web. Click on 'Contacts' on the left side.
3. Click on 'Import Contacts' in the top-right corner.
4. You can now import contacts from a CSV file. You can also include custom fields (columns) that you can search for within Heymarket.