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Connector · Newsletter platforms

Turn your Buttondown list into people you can see.

Small list, big clarity: see exactly who reads your Buttondown letter.

Import a Buttondown exportWhat happens after import

How it works

  1. 01Subscribers page → Export
  2. 02Download CSV
  3. 03Upload to ListFunnel
  4. 04ListFunnel extracts and dedupes every address, validates deliverability, and resolves each one into a person — name, title, company, industry.

Works today via Buttondown's standard export. No API keys or OAuth needed.

buttondown-export.csv → listfunnel

importing buttondown-export.csv…

✓ 2,418 addresses found · 121 duplicates removed

✓ validation: 2,203 valid · 61 risky · 33 removed

✓ resolution: 1,987 people identified

→ 4 segments ready: core readers, active non-buyers, founders, dormant

Typical import: under two minutes for 5,000 contacts.

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