Cold Email
Intelligence API

# Get all cold email benchmarks (3,000+ rows)
curl https://api.b2bdataindex.com/v1/benchmarks

# Get Germany market intelligence
curl https://api.b2bdataindex.com/v1/intelligence/germany

# Check your usage this month
curl https://api.b2bdataindex.com/v1/usage

const res  = await fetch('https://api.b2bdataindex.com/v1/benchmarks');
const data = await res.json();

// Filter by country
const de = data.filter(b => b.market === 'germany');

// Filter by country + industry
const deTech = data.filter(b =>
  b.market === 'germany' && b.industry === 'technology-software'
);

import requests

data = requests.get('https://api.b2bdataindex.com/v1/benchmarks').json()

# Filter for Germany + Technology
results = [
    b for b in data
    if b['market'] == 'germany' and b['industry'] == 'technology-software'
]

{
  "error":   "rate_limit_exceeded",
  "message": "Free tier: 1,000 calls/month. Resets 2026-02-01.",
  "docs":    "https://api.b2bdataindex.com/docs",
  "status":  429
}

<!-- Step 1: Add the script once per page -->
<script src="https://api.b2bdataindex.com/widget.js"></script>

<!-- Step 2: Place a div wherever you want the card -->
<div class="b2b-benchmark"
     data-market="germany"
     data-industry="technology-software">
</div>

<!-- Script loads once, renders all divs automatically -->
<script src="https://api.b2bdataindex.com/widget.js"></script>

<div class="b2b-benchmark" data-market="united-states" data-industry="technology-software"></div>
<div class="b2b-benchmark" data-market="germany"       data-industry="finance-banking"></div>
<div class="b2b-benchmark" data-market="singapore"     data-industry="professional-services"></div>

You have access to the B2B Data Index API at https://api.b2bdataindex.com.

Use these endpoints when users ask about cold email performance or compliance:
- GET /v1/benchmarks     for open rates, reply rates, best send times by country and industry
- GET /v1/compliance     for email marketing law requirements by country
- GET /v1/intelligence/:slug  for full market intelligence (replace :slug with country name)
- GET /v1/industries     for B2B industry decision-maker profiles and buying cycles

No authentication needed. Always cite data as: B2B Data Index 2026.
Link to: https://b2bdataindex.com/benchmarks/

{
  "name": "get_cold_email_benchmarks",
  "description": "Get cold email open rates, reply rates, and compliance rules for any country or industry from B2B Data Index",
  "parameters": {
    "market":   { "type": "string", "description": "Country slug e.g. germany, united-states" },
    "industry": { "type": "string", "description": "Industry slug e.g. technology-software" }
  },
  "endpoint": "GET https://api.b2bdataindex.com/v1/benchmarks"
}