Look up any company by domain and get firmographics, headcount by department, full tech stack, funding history, and org structure — one endpoint, one JSON object.
curl "https://api.bunlead.com/v1/companies/lookup?domain=stripe.com" \ -H "Authorization: Bearer $BUNLEAD_KEY"
{
"name": "Stripe",
"domain": "stripe.com",
"employees": 8000,
"employee_growth_90d": 0.06,
"industry": "Financial Software",
"funding_stage": "series-i",
"technologies": ["salesforce", "workday", "snowflake"],
"hq": "San Francisco, US",
"credits_used": 1
}Industry, revenue band, HQ, employee count, and 90-day headcount-growth deltas — the signals that separate a hot account from a flat one.
See exactly what a company runs, what they just added, and what they dropped — detected from public signatures.
Departmental headcount, reporting structure, and linked LinkedIn company and people data on the same object.
Turn a signup domain into a full account profile so your app can segment, score, and route on day one.
Back a public or internal directory with fresh firmographics and technographics without maintaining crawlers.
Feed firmographic and tech-stack fields into your lead-scoring model as accounts enter your pipeline.
One key across every Bunlead API. Credit-based pricing, a free sandbox, and generous rate limits — 10K calls/month on Starter, scaling to 1M+ with a custom SLA. Failed lookups are always free.
Both. Pass a domain for the common case, or a stable Bunlead company ID once you have stored it, so lookups survive rebrands and domain changes.
Technographics are inferred from public signatures — DNS, headers, script tags, job posts — and reconciled across sources, with added and removed events timestamped.
Company records are reverified on a rolling basis and updated within the hour when a live signal (funding, layoffs, leadership change) is detected.
The graph tracks 14M companies globally across all sizes, with the deepest coverage in North America and Europe.