May 29, 2022

Business Research: OpenCorporates Releases New Version of API With Many New/Cool Features

OpenCorporates is the largest open database of company information (over 84 million companies) in the world. In addition to accessing the data using an API, OpenCorporates can be searched directly from their web site.

Now, to some info about the released of version 0.4 of the API.

From the OpenCorporates Blog:

The change in our underlying search engine has also allowed us to introduce much more powerful search features to the API…

  • search by registered address (yes, at last!)
  • search for companies starting with given phrase (e.g. ‘Barclays Bank’)
  • filter by multiple jurisdictions (e.g. Ireland and UK)
  • filter by country (e.g. US)
  • richer filtering of inactive and branch companies
  • a new nonprofit filter, to restrict to/exclude companies with a nonprofit company type
  • users with API keys can now get addresses (and dates of birth) for directors/officers
  • filtering officers by address, date of birth, position or status
  • more powerful date searching
  • a completely new way of representing industry codes that is far more granular and allows more powerful search filtering

We’ll be rolling many of these features out to the website over the next couple of months, but in the meantime you can already have fun with such searches as:

Additional Info and Background in the Complete Blog Post

API Documentation

Browse Number of Entries (By Jurisdiction)

About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.