GuideStar

Name: GuideStar
Brand: GuideStar

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Access comprehensive nonprofit data for informed giving, grantmaking, and partnerships.

Nonprofit Tools Directories Data & Databases

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Tracked since2026

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The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Extensive database covering a vast number of nonprofits

Biggest con

Advanced features like GuideStar Pro require a paid subscription

TL;DR - GuideStar

Provides comprehensive data on 1.8 million nonprofits.
Enables donors, grantmakers, and businesses to make informed decisions.
Offers tools for nonprofits to enhance transparency and attract funding.

Pricing: Free plan available

Best for: Growing teams

What is GuideStar?

Editorial review

GuideStar, powered by Candid, provides a robust platform for accessing detailed information on 1.8 million IRS-recognized tax-exempt organizations and thousands of faith-based nonprofits. It serves donors, grantmakers, and businesses by offering insights into financials, leadership, and missions, enabling more effective philanthropic decisions and strategic partnerships. Nonprofits can also claim and update their profiles to enhance transparency and attract support. The platform centralizes authoritative data derived from validated sources like 990s and direct reporting, ensuring daily updates and accuracy. GuideStar Pro offers advanced research capabilities for efficiently identifying and vetting potential nonprofit partners. Additionally, Candid provides API solutions to integrate this premier nonprofit data directly into other systems and applications, powering various philanthropic initiatives and platforms.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourceguidestar.org ↗

Pros & Cons

Pros

Extensive database covering a vast number of nonprofits
High data quality and accuracy from validated sources
Tools for both data consumers (donors, grantmakers) and data providers (nonprofits)
API access for integrating nonprofit data into other platforms
Enhances transparency and trust in the nonprofit sector

Cons

Advanced features like GuideStar Pro require a paid subscription
The free tier may have limitations on data depth or search capabilities
Reliance on self-reported data from nonprofits for some profile elements

Key Features

Searchable database of 1.8 million tax-exempt organizationsAccess to financial data and leadership informationNonprofit profile claiming and updating for transparencySeal of Transparency program for nonprofitsGuideStar Pro for advanced nonprofit research and partnershipsNonprofit data API solutions for system integrationAuthoritative data derived from 990s and direct reportingDaily data verification and updates

Pricing Plans

Pricing checked Aug 19, 2026

Nonprofit Profile

Free

Claim and update your organization’s nonprofit profile
Earn a Seal of Transparency

GuideStar Pro

Efficiently find organizations that will meet your goals
Gain more valuable partnerships

Nonprofit API solutions

Power your platforms with Candid’s APIs to support your organizational needs

Calculate your cost View full pricing

Is GuideStar worth the price?

60/100

GuideStar's pricing is difficult to assess for fairness due to the lack of transparent pricing for its premium tiers.

The 'Nonprofit Profile' free tier is generous for basic organizational management. However, the 'Contact us' model for 'GuideStar Pro' and 'Nonprofit API solutions' makes it impossible to determine if these are expensive or competitive.

It's best for nonprofits needing a free basic profile and larger organizations or developers willing to negotiate for advanced data access.

Hidden Costs & Gotchas

Potential high costs for 'Contact us' tiers

No public pricing for advanced features

Negotiation required for premium access

How GuideStar Compares to Competitors

Compared to alternatives like Charity Navigator, which offers free basic access and premium features through partnerships, GuideStar's 'Contact us' model for advanced data is less transparent. While GuideStar's free tier is valuable, competitors often provide clearer pricing for their enhanced data services, making direct cost comparison challenging without knowing GuideStar's negotiated rates.

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GuideStar FAQ

How does GuideStar ensure the accuracy and timeliness of its nonprofit data?

GuideStar sources its data from validated sources, including IRS 990 forms and direct reporting from nonprofits. This information undergoes best-in-sector proprietary data processing and is verified and updated daily to maintain accuracy and provide the most current insights.

What specific benefits does a nonprofit gain by earning a Seal of Transparency?

Earning a Seal of Transparency allows nonprofits to provide donors with crucial information about their organization, mission, financials, and leadership. This increased transparency builds trust, enhances credibility, and can significantly improve a nonprofit's ability to attract and secure support from donors and grantmakers.

Can businesses leverage GuideStar's data for purposes other than direct philanthropy?

Yes, businesses can utilize GuideStar's data to identify valuable nonprofit partners for corporate social responsibility initiatives, employee engagement programs, or strategic alliances. GuideStar Pro offers efficient tools for researching organizations that align with specific business goals, and API solutions allow for deeper integration into business systems.

What kind of information is typically available through the nonprofit API solutions?

The nonprofit API solutions provide access to premier nonprofit data, enabling users to power their own platforms and applications. This includes comprehensive insights into an organization's financials, people/leadership, mission, and other key operational details, allowing for customized data integration and analysis.

Beyond IRS-recognized tax-exempt organizations, what other types of nonprofits are included in the database?

In addition to 1.8 million IRS-recognized tax-exempt organizations, GuideStar also includes data on thousands of faith-based nonprofits. This broad coverage ensures a more comprehensive view of the nonprofit sector for users seeking diverse organizational types.

Source: guidestar.org

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