Data Source Links
Comprehensive directory of federal and state government data sources - fiscal transparency portals, business registries, childcare licensing, campaign finance, and more.
Federal Data Sources
USASpending.gov
APIFederal grants, contracts, and spending data
GrantsSBA Data Store
APIPPP, EIDL, 7(a), and 504 loan data (FOIA releases)
LoansGrants.gov
APIFederal grant opportunities and awards
GrantsSAM.gov
APIEntity registration, exclusions, contract awards
ContractsFEC.gov
APIFederal campaign finance and contributions
Campaign FinancePaymentAccuracy.gov
Improper payment rates by federal program
Oversight & AuditsDOJ Press Releases
Fraud prosecution announcements
EnforcementHHS OIG Exclusions
APIExcluded healthcare providers (LEIE database)
HealthcareCMS Provider Data
APINursing homes, hospitals, healthcare facilities
HealthcareUSDA FNS SNAP Retailers
Authorized SNAP retailers
Welfare ProgramsUSDA FNS Disqualified Stores
SNAP-disqualified retailers
EnforcementHUD Data Portal
APIHousing assistance, Section 8, public housing
HousingOpenTheBooks.com
State and local government spending (FOIA aggregator)
spendingOversight.gov
Inspector General reports across all agencies
Oversight & AuditsData.gov
APIFederal open data catalog
Open Data PortalTreasury Data Lab
APIFederal revenue, spending, debt data
spendingGAO Reports
Government Accountability Office audit reports
Oversight & AuditsFPDS (Federal Contracts)
APIFederal procurement data system
ContractsState Data Sources
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