Welcome to the ZoomInfo Developer API

The ZoomInfo API provides access to ZoomInfo’s search capabilities and data for over 36 million people and 3.5 million companies. To get started, read our Terms of Use and Branding Requirements and register for an API account.

Getting Started

Choose the following to get started using the ZoomInfo API.

• Look over the documentation
• Register for a user account
• Request an API key
• Participate in the forum discussion
• Check out the API blog for recent updates

About the ZoomInfo API

The ZoomInfo API gives you the ability to:

• Search for any person in the ZoomInfo database by name.
• Search for any company in the ZoomInfo database by name, domain, industry, keyword, geography, or company size.
• Get detailed information such as description, industries, address, stock ticker, key people, mergers and acquisitions, and more on any company in the ZoomInfo database.
• Get a list of competitors for any company in the ZoomInfo database.

If you need additional search capabilities or data on people or companies, please contact us at API@zoominfo.com.

Limits

We limit the number of requests so we can manage demand for the service to deliver the best performance. If you need a higher call limit, please contact us at API@zoominfo.com

• Limit calls to 2,000 per day, per API key
• Queries are limited to 1 Query Per Second (QPS)

Branding Requirements

While ZoomInfo provides the API for free, we require that you adhere to our branding requirements. Anywhere where you decide to display or use ZoomInfo data or search results, you must display a "Powered by ZoomInfo" logo. For graphics that you can use, please visit our Branding Requirements page.