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GuideStar Essentials GuideStar Charity Check
GuideStar Premier provides robust, comprehensive data sourced from the GuideStar nonprofit database and other authoritative sources.
Active (supported, scheduled for retirement)
Single purpose API
Swagger 1.0 - 1.2
JSON, URI Query String/CRUD
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Related Articles (2)
GuideStar has recently announced significant upgrades to two of its APIs. The company’s Essentials and Premier APIs have received new capabilities that range from filtering nonprofits based on their standing with the US IRS, to demographic data that nonprofits have shared about their boards.
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