PLATFORM SOLUTIONS

GuideStar APIs

The most extensive charity search available. Use the power of GuideStar in your database.

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Hundreds of partners have integrated GuideStar APIs
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Our APIs have been used more than 100 million times

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Last year, millions of people used our APIs to guide their giving decisions
 

Seamless access to the most up-to-date nonprofit information.

GuideStar APIs save your users valuable time and keep them on your site. You can choose from a variety of search and verification packages that display the information you want in a format that meets your needs.
  • The only APIs that have nonprofit information that extends past IRS forms
  • Data on more organizations than any other nonprofit API on the market
  • Flexible solutions depending on your needs and budget

 

 
To say that our partnership with GuideStar is essential to CrowdRise is a massive understatement. Their kick ass API is the backbone of our social fundraising platform and, beyond their amazing tools, the team at GuideStar is passionate and relentless about helping us impact the world.
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Robert Wolfe

CEO, Crowdrise
 

What Our Customers Are Saying
The accuracy, comprehensiveness, and reliability of the data that GuideStar provides help us to be more efficient and effective.
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Julie Russell

Senior VP, United Way 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.
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Daren Nordhagen

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.
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Stephen Garten

CEO & Founder, Charity Charge

Learn More about GuideStar APIs

GuideStar APIs give your users access to our comprehensive, high-quality information about nonprofits across the country. They are fully RESTful and accessible in JSON and XML.

 

GuideStar Search API

Use the GuideStar Search API to build a nonprofit search to match your users with their favorite charities. The structure and fields available in this API are designed to allow you to easily build a fast and robust charity search.

This API must be integrated prior to implementing either the GuideStar Exchange or Detail APIs. 

View available fields. Starting at $420/month* or $5,000/year

 

GuideStar Exchange API

The GuideStar Exchange API provides rich nonprofit-supplied data for integration into your application or website. This information is exclusively available from GuideStar. The data is self-reported to GuideStar by more than 130,000 organizations. 

This API requires integration of the GuideStar Search API.

View available fields. GuideStar Search + Exchange APIs starting at $840/month* or $10,000/year

 

GuideStar Detail API

The GuideStar Detail API is the most robust API offered in the nonprofit sector. It combines exclusive-to-GuideStar, nonprofit-supplied data with data from reporting documents and other external sources to provide comprehensive information about all IRS-recognized organizations. 

This API requires integration of the GuideStar Search API.

View available fields. GuideStar Search + Detail APIs starting at $940/month* or $11,200/year

 

GuideStar Charity Check API

The GuideStar Charity Check API allows your users to perform pre-grant due-diligence automatically in your platform. It is the only API that is 100% compliant with all IRS requirements for verifying a nonprofit's eligibility to receive tax-exempt gifts and payouts. It can be combined with the GuideStar Charity Check PDF API to produce and store documentation of the Charity Check report with date and time stamp. 

View available fields. Starting at $315/month* or $3,750/year

 

GuideStar Public Schools API

This API is built off data from the National Center for Educational Statistics (NCES) and can be integrated parallel to other GuideStar APIs. Contact a GuideStar representative by filling out the adjacent form for more information. 

*=requires annual contract 

To test drive any of GuideStar’s APIs using our sandbox tools, click here.

Want to talk to someone about using GuideStar API's in your platform?

 

    Contact Us     

 

Which GuideStar APIs Are Right for You?

Who Are You? What Do You Want to Do? Your API Solutions
Donation portal  Let my users find their charities of choice GuideStar Search API
Let my users see information about charities before they donate GuideStar Detail API OR GuideStar Exchange API
Provider of grants management software   Let my customers streamline their grantmaking processes for themselves AND for the nonprofits that apply to them for grants GuideStar Exchange API
Let my customers verify nonprofits’ eligibility for grants directly from my software GuideStar Charity Check API
Let my customers get the other information they need for due diligence directly from my software GuideStar Exchange API
Sponsor of donor-advised fund(s)   Let my donors find their charities of choice GuideStar Search API
Let my donors see information about charities before they donate GuideStar Detail API OR GuideStar Exchange API
Verify nonprofits’ eligibility to receive distributions GuideStar Charity Check API
Grantmaker   Streamline the application process for both my organization and the applicants GuideStar Exchange API
Verify nonprofits’ eligibility for grants from my organization and incorporate that information into the grants management software I use GuideStar Exchange API
Get the other due-diligence information I need and incorporate it into the grants management software I use GuideStar Charity Check API
Shopping portal Offer my customers information on cream-of-the-crop charities that they can support through my service GuideStar Search API AND GuideStar Exchange API
Vendor to the nonprofit industry Verify that the customer that wants my goods and services is a nonprofit and help them register GuideStar Search API PLUS GuideStar Detail API AND GuideStar Charity Check API
Business    Integrate nonprofit information into my CRM by populating very basic fields in my system. I’ll fill in the rest of the details myself GuideStar Search API
Verify charities for employee donation matching, fundraising, and volunteering GuideStar Search API AND GuideStar Charity Check API
Integrate charity verification into my software for my end user GuideStar Search API AND GuideStar Charity Check API
Let my website users find basic information on the charities they’re interested in GuideStar Search API

 

GuideStar Sandbox APIs

Try for Free Search API
Try for Free    +Exchange API
Try for Free    +Detail API
Try for Free

Charity Check API

Note: Sandbox APIs are available for internal product evaluation only. Commercial use is prohibited.

Interested? Try a demo for free.

Our Sandbox APIs let you test our APIs on your website or in your software. These free demo versions are exactly like our regular APIs, except they draw from old data and can only be used internally for product evaluation. Sandbox APIs don’t expire, and you are welcome to test as few or as many as you wish. All APIs, with the exception of Charity Check, are dependent on the use of the Search API. Check out Search then the others.

 
 

Learn more about GuideStar API capabilities by viewing our developer resources. If you are interested in bundling APIs to meet your needs, please contact our Sales Department for more information by calling 866-710-7663 or sending an email to sales@guidestar.org.

 

Explore Developer Resources