Unicorn Data · Use cases

IPO calendar API: upcoming and recent IPOs as JSON

One call returns the IPO calendar: companies with a confidential or public filing, priced deals and listings of the last 90 days, each with the stage, the expected date when known and the link to the filing or report.

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What the response contains

Stage of each IPO: press reports, confidential filing, public filing, priced, listed.
Expected or actual date, with the link to the SEC filing or the source.
Last reported valuation with its date, kind and source.
Sector and country in 16 languages (lang parameter).

For trading apps, brokers, newsletters and finance sites that want an IPO calendar that stays current without manual work.

Real response

Captured from GET /v1/ipo/calendar 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": [
    {
      "id": "anthropic",
      "name": "Anthropic",
      "sector": "Artificial intelligence",
      "country": "United States",
      "founded": null,
      "website": "",
      "valuationUsdBn": 965,
      "valuationDate": "2026-05",
      "valuationKind": "round",
      "sourceUrl": "https://www.anthropic.com/news/series-h",
      "sourceName": "Anthropic",
      "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
      },
      "rank": 1
    },
    {
      "id": "openai",
      "name": "OpenAI",
      "sector": "Artificial intelligence",
      "country": "United States",
      "founded": null,
      "website": "",
      "valuationUsdBn": 852,
      "valuationDate": "2026-03",
      "valuationKind": "round",
      "sourceUrl": "https://www.cnbc.com/2026/03/31/openai-funding-round-ipo.html",
      "sourceName": "CNBC",
      "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
      },
      "rank": 2
    }
  ],
  "meta": {
    "count": 12,
    "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/ipo/calendar?lang=en"

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

# Python
import requests
data = requests.get("https://data.unicornprivate.com/v1/ipo/calendar?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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