GuideStar’s industry leading APIs just got better. Get Details

GuideStar APIs

The most extensive charity and nonprofit information available. Seamlessly incorporate the power of GuideStar into your website and applications.

Get the Data You Need: GuideStar Charity APIs

Save time and keep your users on your site and in your apps with GuideStar application programming interfaces (APIs). Our Nonprofit APIs let you:

  • Embed a charity search into your website, intranet, and programs
  • Incorporate nonprofit data into an app or program
  • Verify the status of individual organizations or several nonprofits at once
  • Obtain public school information
“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
NONPROFIT DATA

GuideStar

Essentials API Most Popular

Starting at $4,800/year

  • Search and learn about 1.6 million nonprofits
  • View 40+ fields of essential data (mission, address, etc.), including real-time updates nonprofits have entered on GuideStar
  • Support developers with robust documentation and other resources
  • Start at 12,000 annual calls
GET IN TOUCH FREE TRIAL
NONPROFIT DATA + VERIFICATION

GuideStar

Premier API Most Powerful

Starting at $9,000/year

Get everything GuideStar Essentials API offers, plus:

  • Access 230 more data fields: program results, financial metrics, leadership and staff information
  • Verify nonprofit status with GuideStar Charity Check
  • Start at 12,000 annual calls
GET IN TOUCH FREE TRIAL
NONPROFIT VERIFICATION

GuideStar Charity Check API

Starting at $2,500/year

  • Verify and document nonprofit and charitable status
  • View 40 data fields
  • Start at 2,500 annual calls

GET IN TOUCH FREE TRIAL

GuideStar Public Schools API

$5,000/year

  • View 20 fields of data on public schools for grades K-12
  • Get up to 50,000 annual calls

GET IN TOUCH

SPECIALTY API

GuideStar

Charity Check API

$100/month

  • Verify...
  • Nonprofit verification capability
  • 70+ data fields
  • Up to 20,000 annual calls
GET IN TOUCH FREE TRIAL
SPECIALTY API

GuideStar

Schools API

$xx/month

  • Verify...
  • Nonprofit verification capability
  • 70+ data fields
  • Up to 20,000 annual calls
GET IN TOUCH

GuideStar’s industry leading Nonprofit APIs just got better

More ways to find the right organizations

You can now search for organizations in new ways. There are new filters to sort by organizations that are in good standing with the IRS and by cause area, making it even easier for your users to connect with the right organizations.

More data for your users

You can now get data through GuideStar’s Premier API that you can’t find anywhere else, including:

  • Nonprofit logos
  • Demographic information
  • Due-diligence information
  • And more

Learn more about the improvements here.

Try out the GuideStar Essentials API
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What People Say About GuideStar Nonprofit APIs
“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 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.”

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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

Satisfied API Customers
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Classy logo
Donors Unite logo
Foundant logo
Global Giving logo
RenPSG logo
United Way logo
Volunteer Match logo

Which GuideStar Nonprofit/Charity APIs Are Right for You?

Who Are You? What Do You Want to Do? Your API Solutions
Donation portal  Enable users find charities based on name, cause area, geography, or other criteria Essentials API OR Premier API
Disperse donations to selected charities via charity APIs Essentials API OR Premier API
Verify that the charity is eligible to receive tax-deductible donations and is in good standing with the IRS Charity Check API OR Premier API
Provide in-depth information and evaluate charities before they donate Premier API
Provider of grants management software Enable foundation staff and board to search for nonprofits by EIN, name, or other criteria Essentials API OR Premier API
Verify that grant applicants are in good standing with the IRS and eligible for grants Charity Check API OR Premier API
Let grants managers save or print nonprofit verification for compliance and reference Charity Check PDF API
Streamline workflow to let grants managers verify hundreds of grantees or grant applicants at one time Charity Check Bulk API
Autopopulate grant applications for nonprofits with GuideStar for Grant Applications (G4G) Essentials API OR Premier API
Provide foundation staff and board with in-depth nonprofit information for research and evaluation Premier API
Sponsor of donor-advised funds  Enable donors or advisors to find charities based on name, cause area, geography, or other criteria Essentials API OR Premier API
Disperse donations to selected charities Essentials API OR Premier API
Verify that a charity is eligible to receive tax-deductible donations and is in good standing with the IRS Charity Check API OR Premier API
Let donors or advisors save or print charity verification for compliance and reference Charity Check API
Streamline workflow to verify hundreds of charities at one time Charity Check Bulk API
Provide users with in-depth information and evaluate charities before they donate Premier API
Grantmaker   Enable grant managers and program officers to search for nonprofit by EIN, name, or other criteria Essentials API OR Premier API
Verify nonprofits’ eligibility for grants  Charity Check API OR Premier API
Let grants managers save or print nonprofit verification for compliance and reference Charity Check PDF API
Streamline workflow to verify hundreds of nonprofits at one time Charity Check Bulk API 
Autopopulate grant applications for nonprofits with the best charity API available Premier API
Provide program officers and board members with in-depth nonprofit information for research and evaluation Premier API
Shopping portal Let shoppers find the charities of their choice based on name, cause area, geography, or other criteria Essentials API OR Premier API
Disperse donations to selected charities Essentials API OR Premier API
Verify that the charity is eligible to receive tax-deductible donations and is in good standing with the IRS Charity Check API OR Premier API
Vendor to the nonprofit industry Ensure that a nonprofit is eligible for provided goods or services Essentials API OR Premier API
Autopopulate nonprofit application or registration Essentials API OR Premier API
Integrate nonprofit information into CRM system by populating basic fields Essentials API OR Premier API
Verify that a nonprofit is eligible to receive tax-deductible donations and is in good standing with the IRS Charity Check API OR Premier API
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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

Try out any GuideStar API for free for 60 daysFREE TRIAL

Learn more about GuideStar API capabilities by viewing our Developer Resources

DEVELOPER COMMUNITY RESOURCES DEVELOPER PORTAL

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