Power your websites and applications with GuideStar’s comprehensive nonprofit data.
Save time and keep your users on your site or app with GuideStar’s application programming interfaces (APIs). Our Nonprofit APIs let you:
Boost your nonprofit search, get access to basic nonprofit information.
Power your application with robust financials, organizational information and effortless nonprofit compliance validation — our most comprehensive API.
Save time and ensure the nonprofits you support are 100% IRS compliant.
Hundreds of partners have integrated GuideStar APIs
Our APIs have been used more than 100 million times
Last year, millions of people used our APIs to guide their giving decisions
Premier version 3 has launched. Try it out now.
“The accuracy, comprehensiveness, and reliability of the data that GuideStar provides help us to be more efficient and effective.”
Senior VP, United Way of Greater St. Louis
“We’re meeting real client needs and adding credibility to our brand via our relationship with GuideStar because GuideStar is a trusted brand in the nonprofit world.”
President, Foundant Technologies
“GuideStar is the most legitimate and all-encompassing solution on the market. I came out with a vision, and GuideStar was able to back it up.”
CEO & Founder, Charity Charge