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Overview

The Sixtyfour API provides programmatic access to structured, real-time market and people intelligence. Developers use it to enrich leads, discover accounts, detect business signals, and automate custom research workflows. Whether you’re building a sales tool, recruiting platform, or market insights dashboard, Sixtyfour delivers accurate, actionable data in seconds. What you can do:
  • Enrich company and people profiles with up-to-date, verified data
  • Map detailed insights on entire markets or industries in minutes, not weeks
  • Detect signals like hiring trends, leadership changes, and funding rounds
  • Automate research workflows for sales, recruiting, or strategy
  • And more…

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Quick Start

Time to complete: ~5 minutes What you’ll build: A single API call that finds an email address for a lead.

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Step 1: Get Your API Key

Follow the steps in Get an API Key to create your account and generate a key.

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Step 2: Make Your First Request

curl -X POST "https://api.sixtyfour.ai/find-email" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "lead": {
      "name": "Saarth Shah",
      "company": "Sixtyfour AI"
    }
  }'

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Step 3: Verify Success

You should receive a JSON response like this: 
{
  "company": "Sixtyfour AI",
  "email": [["saarth@sixtyfour.ai", "OK", "COMPANY"]],
  "name": "Saarth Shah",
  "cost_cents": 5
}