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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
Robert Wolfe
CEO, Crowdrise
Julie Russell
Senior VP, United Way Greater St. Louis
Daren Nordhagen
President, Foundant Technologies
Stephen Garten
CEO & Founder, Charity Charge
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 APIUse 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 APIThe 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 APIThe 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 APIThe 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 APIThis 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. |
| 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 |
| Try for Free | Search API |
| Try for Free | +Exchange API |
| Try for Free | +Detail API |
| Try for Free |
Charity Check API |
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.