DATA SOURCES
Official. Transparent. Verifiable.
Government records, original filings and other identified sources used to build nonprofit organization records.
| Source | Information | Coverage | Access | |
|---|---|---|---|---|
| IRS Exempt Organizations Business Master File | U.S. organization identity, EIN, subsection, ruling, classification, status-related fields and location | U.S. federal | bulk | Open source ↗ |
| IRS Publication 78 | Organizations eligible to receive tax-deductible charitable contributions | U.S. federal | bulk | Open source ↗ |
| IRS Automatic Revocation List | Organizations automatically revoked after failure to file required annual returns/notices for three consecutive years | U.S. federal | bulk | Open source ↗ |
| IRS Form 990-N e-Postcard | Most recent Form 990-N notices | U.S. federal | bulk | Open source ↗ |
| IRS Form 990 Series XML | Machine-readable Forms 990, 990-EZ and 990-PF and schedules | U.S. federal | bulk XML | Open source ↗ |
| IRS TEOS | 990-series returns, 990-N notices, Pub. 78, automatic revocations and determination letters | U.S. federal | search | Open source ↗ |
| IRS Form 1023-EZ Approvals | Approved streamlined exemption applications including identity, officers, organizing information, purpose and activities | U.S. federal | XLSX | Open source ↗ |
| IRS SOI Annual Extracts | Selected financial data from Forms 990, 990-EZ and 990-PF | U.S. federal | bulk | Open source ↗ |
| IRS Political Organization Disclosures | Forms 8871, 8872 and certain Form 990 filings for Section 527 organizations | U.S. federal | search/bulk | Open source ↗ |
| Federal Audit Clearinghouse | Single audit and program-specific audit data and reports | U.S. federal | API/search | Open source ↗ |
| USAspending | Federal grants, cooperative agreements, contracts, loans and other award data | U.S. federal | API/bulk | Open source ↗ |
| SAM.gov | Federal entity registration and assistance/contracting information where public | U.S. federal | API/search | Open source ↗ |
| Department of Labor Form 5500 | Employee benefit plan annual returns/reports | U.S. federal | bulk | Open source ↗ |
| State charity regulators | State charitable solicitation registrations, reports and enforcement records where published | U.S. state | registry | Open source ↗ |
| State corporate registries | Entity formation, standing, officers/agents and filing history where public | U.S. state | registry | Open source ↗ |
| ProPublica Nonprofit Explorer | Searchable nonprofit filing data and API derived from public records | Independent | API/search | Open source ↗ |
| Candid | Nonprofit profiles, grants, taxonomy, eligibility and other enrichment datasets subject to access terms | Independent | licensed API | Developer portal ↗ |
| Organization websites | Mission, programs, leadership, annual reports, audited financial statements and contact information published by organizations | Primary organization | web | — |
| IATI Registry | International development and humanitarian activity data published to the IATI Standard | International | API/bulk | Open source ↗ |
| Charity Commission for England and Wales | Registered charity records, trustees, finances and filings | United Kingdom | registry | Open source ↗ |
| OSCR Scottish Charity Register | Scottish charity registration and public records | Scotland | registry | Open source ↗ |
| Australian Charities and Not-for-profits Commission | Australian charity register and public information | Australia | registry | Open source ↗ |
| Canada Revenue Agency Charities Listings | Canadian registered charities and related public information | Canada | registry | Open source ↗ |
| New Zealand Charities Services Register | New Zealand registered charity records | New Zealand | registry | Open source ↗ |