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A US nonprofit and foundation intelligence database built from public IRS Form 990 and 990-PF filings. What this is. Plinth also builds funding portfolio intelligence for funders: this graph joined to live data from your current grantees.

ExploreWhat this data is By state Canada By cause Funder clusters Regranting layer Donor-advised funds Compare funders

How we knowMethodology What can be matched Data quality Known limitations What we withhold Sources Glossary

Build with itGrants API Ask the data Compliance screening Claude connector Sheets & Excel

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Swartzlander R Community Hs T W