XOOMAR

XOOMAR Companies API

SEC and FINRA data on US listed companies

GitHub OpenAPI

Operations 21

GET /api/markets/short-interest FINRA short interest #
GET /api/markets/short-volume FINRA daily short sale volume #
GET /api/markets/fails-to-deliver SEC fails to deliver #
GET /api/markets/threshold-list Regulation SHO threshold securities lists #
GET /api/markets/insiders SEC Form 4 insider trades, latest across companies #
GET /api/markets/insiders/{ticker} SEC Form 4 trades for one ticker #
GET /api/markets/insiders/clusters Insider cluster buying: companies with several distinct open-market buyers #
GET /api/markets/planned-sales SEC Form 144 notices of proposed sale #
GET /api/markets/large-holders Schedule 13D and 13G holders above 5% #
GET /api/markets/funds Tracked 13F managers #
GET /api/markets/funds/{slug} One manager's latest 13F portfolio #
GET /api/markets/financials Company financials from XBRL #
GET /api/markets/buybacks Share repurchases from XBRL #
GET /api/markets/events 8-K material events #
GET /api/markets/earnings Earnings calendar: reported 8-K Item 2.02 dates and estimates #
GET /api/markets/earnings/{ticker} One company's reported earnings dates and the next estimate #
GET /api/markets/structured-products 424B2 structured note filings #
GET /api/markets/federal-contracts US federal contract actions by listed parent #
GET /api/markets/startup-funding SEC Form D private placements #
GET /api/markets/ipos IPO pipeline (S-1, F-1, 424B4, EFFECT, RW) #
GET /api/markets/bitcoin-treasuries Bitcoin held by public companies (XBRL) #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/xoomar-com/openapi/xoomar-com-companies-api-openapi.yml

Other Resources

🔗
APIsJSON
https://artifacts.apis.io/xoomar-com/apis.yml

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OpenAPI Specification

xoomar-com-companies-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: XOOMAR market data Companies API
  version: '2026-09-15'
  summary: 'Free market data from primary sources: SEC, FINRA, CFTC, the Federal Reserve, Treasury, BLS/BEA/Census and the exchanges.'
  description: 'JSON and CSV over plain GET. Every response carries the same envelope: data, updatedAt, source, docs, license, attribution and meta, whose sourceAttribution line credits the publisher of the data. No key needed to start: 10 requests a minute per IP without a key and 30 a minute with a free account key, with at least six months of history. Data terms: https://xoomar.com/terms. Credit XOOMAR with a link to the dataset page when you republish the data.'
  termsOfService: https://xoomar.com/terms
  contact:
    name: XOOMAR
    url: https://xoomar.com/developers
    email: info@xoomar.com
  license:
    name: XOOMAR data terms
    url: https://xoomar.com/terms
servers:
- url: https://xoomar.com
tags:


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# Full source: https://artifacts.apis.io/xoomar-com/openapi/xoomar-com-companies-api-openapi.yml