Listar

B2B contact enrichment that returns verified emails and phones via a 30+ provider waterfall

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A B2B contact enrichment tool that queries a waterfall of data providers plus a proprietary database and email reconstruction to return verified email addresses and phone numbers. It addresses low coverage and unverified contacts by combining multiple sources and validating phone numbers (including WhatsApp checks), and is intended for sales teams and recruiters; not to be used for outreach that violates anti‑spam or data‑protection laws.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Listar - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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