Unicorn Data · Use cases

Private company valuations data: API and daily files

The dataset covers the largest private companies by reported valuation. Each figure has its date, its kind (funding round, secondary, press report) and the link to the public source. Available by API and, in the Business plan, as daily CSV and JSON files.

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Paid plans: 14-day trial with card on Stripe; at the end it becomes the paid plan automatically, unless you cancel it from your dashboard.

What the response contains

Ranking by last reported valuation, in billions of dollars.
Date, kind and source of every figure.
Previous figure and change, full history per company.
Daily files companies.csv, valuations.csv and events.csv (Business).

For data teams, research desks and media that need private company valuations with sources they can show.

Real response

Captured from GET /v1/companies on October 29, 2026, trimmed to the first items. Data from Unicorn Watch; every figure keeps its date and public source. Reported valuations (latest round, press estimates or indicative secondary prices), not market prices.

{
  "data": [
    {
      "rank": 1,
      "id": "anthropic",
      "name": "Anthropic",
      "sector": "Artificial intelligence",
      "country": "United States",
      "founded": null,
      "website": "",
      "cik": "2130357",
      "valuationUsdBn": 965,
      "valuationDate": "2026-05",
      "valuationKind": "round",
      "sourceName": "Anthropic",
      "sourceUrl": "https://www.anthropic.com/news/series-h",
      "changePct": null,
      "previousUsdBn": null,
      "previousDate": null,
      "ipo": {
        "status": "public_filing",
        "date": null,
        "note": "Public Form S-1 filed on 26 October 2026 (SEC EDGAR): listing applied for on the Nasdaq Global Select Market under the symbol ANT; number of shares and price range not yet set. The confidential draft was submitted on 1 June 2026. A roadshow from 9 November, pricing in mid November 2026 and a valuation of about 2 trillion dollars are press reports (IFR, 17 to 23 October 2026; CNBC, 26 October 2026), not confirmed by the company.",
        "sourceUrl": "https://www.sec.gov/Archives/edgar/data/0002130357/000162828026067168/anthropicpbc-sx1.htm",
        "lockupEnd": null
      },
      "updatedAt": "2026-10-28T21:35:00.000Z"
    },
    {
      "rank": 2,
      "id": "openai",
      "name": "OpenAI",
      "sector": "Artificial intelligence",
      "country": "United States",
      "founded": null,
      "website": "",
      "cik": null,
      "valuationUsdBn": 852,
      "valuationDate": "2026-03",
      "valuationKind": "round",
      "sourceName": "CNBC",
      "sourceUrl": "https://www.cnbc.com/2026/03/31/openai-funding-round-ipo.html",
      "changePct": null,
      "previousUsdBn": null,
      "previousDate": null,
      "ipo": {
        "status": "confidential",
        "date": null,
        "note": "OpenAI confirmed on 8 June 2026 that it had submitted a confidential draft S-1 to the SEC and had not decided on timing (CNBC, 8 June 2026).",
        "sourceUrl": "https://www.cnbc.com/2026/06/08/openai-confidentially-files-for-ipo-prepping-wall-street-for-ai-debut.html",
        "lockupEnd": null
      },
      "updatedAt": "2026-10-24T20:22:59.900Z"
    }
  ],
  "meta": {
    "total": 100,
    "limit": 2,
    "offset": 0,
    "lang": "en",
    "note": "Reported valuations (latest round, press estimates or indicative secondary prices), not market prices. Each figure has its date and source. Information only, not investment advice.",
    "attribution": {
      "text": "Data: Unicorn Watch",
      "url": "https://watch.unicorn-club.com/?src=data-api"
    }
  }
}

Call it from your code

# curl
curl -H "Authorization: Bearer YOUR_KEY" "https://data.unicornprivate.com/v1/companies?lang=en"

// JavaScript
const res = await fetch("https://data.unicornprivate.com/v1/companies?lang=en", { headers: { Authorization: "Bearer YOUR_KEY" } });
const { data, meta } = await res.json();

# Python
import requests
data = requests.get("https://data.unicornprivate.com/v1/companies?lang=en", headers={"Authorization": "Bearer YOUR_KEY"}, timeout=10).json()["data"]

Replace YOUR_KEY with the API key from your dashboard. Full reference in the API docs. /docs · OpenAPI 3.1

Plans

Included in the plans: Widget, Pro, Business.

Widget ✓

$99 /month

10,000 API calls per month

Pro ✓

$499 /month

250,000 API calls per month

Business ✓

$1,999 /month

2,000,000 API calls per month

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