Data API

Billionaire net worth API

Live net worth for 3,401 billionaires and the richest celebrities, as simple JSON. Rankings, daily movers, per-second earnings and history since 2015, refreshed every 15 minutes.

Try it — no key needed

curl https://billionairetracker.us/api/v1/rankings?limit=3

# With a key (paid plans)
curl -H "Authorization: Bearer YOUR_KEY" \
  https://billionairetracker.us/api/v1/people/elon-musk

{
  "data": [{
    "slug": "elon-musk", "name": "Elon Musk", "rank": 1,
    "netWorthUsd": 849734216000, "dailyChangeUsd": 60238824000,
    "perSecondUsd": 10045.2, "perSecondBasis": "wealth",
    "sourceOfWealth": "Tesla, SpaceX", "country": "United States",
    "profileUrl": "https://billionairetracker.us/elon-musk", ...
  }],
  "meta": { "plan": "free", "total": 25, "updatedAt": "2026-11-07T05:00:02Z", ... }
}

Endpoints

GET /api/v1/rankings?limit=10	Live ranking of the richest people
GET /api/v1/people/elon-musk	One person (history on paid plans; free = top 25 only)
GET /api/v1/people?type=celebrity&category=Athletes&sort=netWorth	Filter by type, category, country, industry; sort
GET /api/v1/movers?direction=gainers&limit=10	Biggest one-day winners or losers (paid)
GET /api/v1/search?q=swift	Search by name
GET /api/v1/news?limit=20	Auto-published wealth stories (paid)
GET /api/v1/status	Data freshness and your plan limits

Full spec: OpenAPI 3 JSON. All amounts are whole US dollars; times are ISO 8601. CORS is open for GET.

Pricing

Free

Try the API before you buy

✓ Top 25 billionaires only
✓ 10 results per call
✓ 10 requests / minute
✓ No history, movers, news or celebrities
✓ Attribution link required

Starter

$29/mo

Apps, newsletters, small sites

✓ All 3,400+ billionaires + celebrities
✓ Year-by-year history since 2015
✓ Daily movers + news feed
✓ 120 requests / minute
✓ Up to 1000 results per call
✓ Commercial use with attribution

Pro

$99/mo

Media sites, dashboards, products

✓ Everything in Starter
✓ 600 requests / minute
✓ Up to 5000 results per call
✓ Bulk export of the full list
✓ Email support

Secure checkout by Stripe. Your key appears instantly after payment; cancel anytime. Need higher limits, an SLA or bulk files? Email hello@billionairetracker.us.

Manage your subscription

Change plan, update your card, download invoices or cancel.

Attribution and data

Billionaire figures come from Forbes' real-time billionaires data; celebrity figures are sourced estimates, each with its source and date. Show “Data: Billionaire Tracker” with a link to billionairetracker.us wherever you display the data. See our methodology for how per-second figures are calculated.

Frequently asked questions

Is there a free billionaire API?

Yes, for trying it out. The free tier needs no key and covers the top 25 billionaires, 10 results per call and 10 requests a minute. Celebrities, history, daily movers, news and the full 3,400+ list are on the Starter and Pro plans.

How often is the data updated?

Billionaire net worths refresh from Forbes real-time data every 15 minutes. Check /api/v1/status for the exact age of the data.

What does perSecondUsd mean?

For billionaires it is the average change in net worth per second since the last annual Forbes list (it can be negative). For celebrities it is annual earnings divided by the seconds in a year.