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datalookup.org

OSINT contact lookup API.

Used by investigators, fraud analysts, journalists, and security researchers. Look up an email address, get back names, phone numbers, and addresses from over a billion aggregated records.

Unlike most lookup tools, every record in our database has a verified phone number attached. No empty results, no junk. If we don't have real contact data on an email, it won't appear.

API

No headers needed. Just put your key in the URL.

curl "https://datalookup.org/v1/email/john@example.com?api_key=your_key"

Returns JSON with whatever we have on that email. Multiple results if the address shows up across different datasets.

{
  "success": true,
  "count": 1,
  "results": [
    {
      "name":    "JOHN DOE",
      "email":   "JOHN@EXAMPLE.COM",
      "phone1":  "5551234567",
      "address": "123 MAIN ST NY 10001",
      "country": "US"
    }
  ]
}

Bulk endpoint available — POST /v1/bulk with up to 100 emails. Sign in for full documentation.

Data

Over a billion records aggregated from multiple datasets. Every record has a phone number. New data added regularly.

Access

Account-only. Resuming new account requests shortly. For existing-account support, email hi@datalookup.org.

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