Charity Search Summary API - Start Here
This method enables you to search the entire database of IRS registered nonprofits. Use this API to return multiple charities based on user inputs such as an EIN, charity name, category, city, state, and ZIP Code. You can control the number of records that are returned and page position to implement Pagination. To filter out ineligible organizations simply pass the value eligible=1. Select the read more option below for a complete list of the values returned by this method.