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GuideStar

GuideStar, powered by Candid, provides a robust platform for accessing detailed information on 1.8 million IRS-recognized tax-exempt organizations and thousands of fai…

Free tierPrice verified 2026-09-29Visit site ↗
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Our verdict

Who it's for

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

Who should look elsewhere

Advanced features like GuideStar Pro require a paid subscription

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 organizations
  • ✓Access to financial data and leadership information
  • ✓Nonprofit profile claiming and updating for transparency
  • ✓Seal of Transparency program for nonprofits
  • ✓GuideStar Pro for advanced nonprofit research and partnerships
  • ✓Nonprofit data API solutions for system integration
  • ✓Authoritative data derived from 990s and direct reporting
  • ✓Daily data verification and updates

Pricing

PlanPriceBillingNotes
Nonprofit Profile—monthClaim and update your organization’s nonprofit profile; Earn a Seal of Transparency
GuideStar Pro—monthEfficiently find organizations that will meet your goals; Gain more valuable partnerships
Nonprofit API solutions—monthPower your platforms with Candid’s APIs to support your organizational needs

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