{
  "slug": "work-email-enrichment",
  "name": "Work Email Enrichment Benchmark",
  "description": "Independent leaderboard comparing work email enrichment providers on correct email rate, wrong email rate, answer rate, accuracy when answered, and cost per correct email. Scored against verified ground truth.",
  "page_url": "https://benchmarks.openfunnel.dev/leaderboards/work-email-enrichment",
  "last_updated": "2026-05-14T00:00:00.000Z",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "metrics": [
    {
      "key": "correct_email_rate",
      "label": "Correct email rate",
      "unit": "percent",
      "direction": "higher_is_better",
      "definition": "Share of contacts where the provider returned the right work email."
    },
    {
      "key": "wrong_email_rate",
      "label": "Wrong email rate",
      "unit": "percent",
      "direction": "lower_is_better",
      "definition": "Share of contacts where the provider returned a wrong work email."
    },
    {
      "key": "answer_rate",
      "label": "Answer rate",
      "unit": "percent",
      "direction": "higher_is_better",
      "definition": "Share of contacts where the provider returned any work email candidate."
    },
    {
      "key": "accuracy_when_answered",
      "label": "Accuracy when answered",
      "unit": "percent",
      "direction": "higher_is_better",
      "definition": "Of returned answers, how often each was correct."
    },
    {
      "key": "cost_per_correct_email",
      "label": "Cost per correct email",
      "unit": "usd",
      "direction": "lower_is_better",
      "definition": "Total estimated spend divided by correct emails."
    }
  ],
  "input_modes": {
    "basic": {
      "slug": "basic",
      "description": "Provider receives first name, last name, and company only."
    },
    "rich": {
      "slug": "rich",
      "description": "Provider receives first name, last name, company, and the contact's LinkedIn profile URL."
    }
  },
  "results": {
    "rich": [
      {
        "rank": 1,
        "provider": "FullEnrich",
        "provider_slug": "fullenrich-work-email",
        "homepage": "https://fullenrich.com",
        "input_mode": "rich",
        "correct_email_rate_pct": 84.33,
        "wrong_email_rate_pct": 12.44,
        "answer_rate_pct": 96.77,
        "accuracy_when_answered_pct": 87.14,
        "cost_per_correct_email_usd": 0.0666,
        "attempted_contacts": 217,
        "total_contacts": 217
      },
      {
        "rank": 2,
        "provider": "Fiber",
        "provider_slug": "fiber-single-work-email",
        "homepage": "https://fiber.ai",
        "input_mode": "rich",
        "correct_email_rate_pct": 71.43,
        "wrong_email_rate_pct": 22.12,
        "answer_rate_pct": 93.55,
        "accuracy_when_answered_pct": 76.35,
        "cost_per_correct_email_usd": 0.0524,
        "attempted_contacts": 217,
        "total_contacts": 217
      },
      {
        "rank": 3,
        "provider": "ContactOut",
        "provider_slug": "contactout-work-email",
        "homepage": "https://contactout.com",
        "input_mode": "rich",
        "correct_email_rate_pct": 12.9,
        "wrong_email_rate_pct": 5.53,
        "answer_rate_pct": 18.43,
        "accuracy_when_answered_pct": 70,
        "cost_per_correct_email_usd": null,
        "attempted_contacts": 217,
        "total_contacts": 217
      }
    ],
    "basic": [
      {
        "rank": 1,
        "provider": "FullEnrich",
        "provider_slug": "fullenrich-work-email",
        "homepage": "https://fullenrich.com",
        "input_mode": "basic",
        "correct_email_rate_pct": 82.79,
        "wrong_email_rate_pct": 11.87,
        "answer_rate_pct": 94.66,
        "accuracy_when_answered_pct": 87.46,
        "cost_per_correct_email_usd": 0.0663,
        "attempted_contacts": 337,
        "total_contacts": 342
      }
    ]
  },
  "methodology_url": "https://benchmarks.openfunnel.dev/leaderboards/work-email-enrichment#methodology"
}