GuideStar is an information service that reports on IRS-registered nonprofit organizations in the U.S. Their database provides information about each company's finances, impact, governance, reputation, programs, legitimacy, mission, etc. This search API allows you to Search GuideStar’s most common set of data about nonprofits to quickly find organizations most relevant to your users, and use those results to get more data from their other APIs. This advanced search API allows for more specific queries.
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