{
 "name": "ProPublica Nonprofit Explorer API",
 "slug": "propublica-nonprofit-explorer-api",
 "category": "nonprofit-charity-apis",
 "description": "Free API for searching U.S. tax-exempt organizations and retrieving Form 990 financial filings by EIN.",
 "url": "https://projects.propublica.org/nonprofits/api",
 "docs_url": "https://projects.propublica.org/nonprofits/api",
 "auth": "none",
 "pricing": "free",
 "http_status": 200,
 "last_checked_at": "2026-10-14",
 "status": "active",
 "os": [],
 "open_source": false,
 "category_name": "Nonprofit & Charity APIs",
 "swarmnest_url": "https://swarmnest.ai/directory/nonprofit-charity-apis/propublica-nonprofit-explorer-api/"
}