How-to

Adding contacts in bulk

Three ways to add contacts — one at a time, CSV, or JSON. Plus a checklist for clean imports.

2 min readLast updated 17 June 2026
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Adding contacts in bulk

You have three ways to add contacts in Blankitt Marketing, depending on how many you're adding.

One at a time

Use this for the rare case where a single contact lands in your inbox.

  1. Go to Audience → Contacts.
  2. Click Add contact.
  3. Fill in at least email. Everything else is optional.
  4. Save.

The contact is created with status Lead and lead score 0.

CSV import

Best for lists of dozens to thousands.

  1. Click Import → CSV at the top of the Contacts page.
  2. Drop a CSV with a header row. Required column: email. Recognised columns:
    • email (required)
    • name (or split into first_name + last_name)
    • company or company_name
    • role and title
    • source — defaults to "CSV import" if missing
    • product_interest
  3. We'll show you a preview with the first 10 rows mapped to fields. Confirm the mapping, then run.

JSON import

Best when you're piping from a script or another system.

Paste an array of objects. Same field names as CSV. Useful for orchestrated imports from a one-off database export.

[
  { "email": "a@example.com", "name": "Alex Smith", "company": "Acme" },
  { "email": "b@example.com", "name": "Beth Jones", "source": "Trade show" }
]

Before you import — a checklist

  • Permission to contact — every imported email must have consented to marketing. If you bought a list, don't import it.
  • Deduplication — we de-dupe on email automatically. Existing contacts are updated, not duplicated. New fields fill in; existing fields aren't overwritten unless they were blank.
  • Source tag — give every import a meaningful source value. Future-you will thank present-you when slicing analytics by where contacts came from.
  • Suppression list — anyone who's previously unsubscribed, bounced hard, or complained is already on your suppression list. They will not be re-added by an import. We'll tell you how many were skipped at the end.

What happens after import

Imported contacts go straight to status Lead with lead score 0. They appear in the contact list within seconds. We don't send them anything automatically — you decide which campaign or sequence to enrol them in.

Still stuck? Email support or open the support widget in the bottom-right.