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ProPublica API: Search nonprofits by name

Finds U.S. nonprofits by organization name, optionally filtered by state and city, with the latest reported revenue and assets.

projects.propublica.org (opens in a new tab)Version 1ReadNo sign-inVerified Nov 2, 2026

Unofficial. Not affiliated with or endorsed by ProPublica.

Inputs

Values from the run on Oct 23, 2026, shown under Output.

City optionalcity

City to match, for example Washington. Leave blank for any city.

(default)

Name, requiredname

Organization name to search for, for example Red Cross.

Red Cross

State optionalstate

U.S. state or territory name or two-letter postal code, for example New York or NY. Leave blank to search all states.

(default)

Max Results optionalmax_results

Maximum organizations to return, for example 25.

25 (default)

Whole number from 1 to 100.

Output

From a run on Oct 23, 2026, shortened for this page.
{  "organizations": [    {      "ein": "581771391",      "city": "Climax",      "name": "Red Cross Civitans",      "state": "NC",      "category": "Public and societal benefit",      "assets_tax_year": 2025,      "tax_exempt_type": "501(c)(4) social welfare organization",      "revenue_tax_year": 2025,      "latest_total_assets_usd": 109299,      "nonprofit_explorer_link": "https://projects.propublica.org/nonprofits/organizations/581771391",      "latest_total_revenue_usd": 11554    },    {      "ein": "530196605",      "city": "Washington",      "name": "American National Red Cross",      "state": "DC",      "category": "Human services",      "assets_tax_year": 2025,      "tax_exempt_type": "501(c)(3) charity",      "revenue_tax_year": 2025,      "latest_total_assets_usd": 5052941623,      "nonprofit_explorer_link": "https://projects.propublica.org/nonprofits/organizations/530196605",      "latest_total_revenue_usd": 3916983933    },    {      "ein": "262622865",      "city": "Joplin",      "name": "Red Cross Of Constantine",      "state": "MO",      "category": null,      "assets_tax_year": 2025,      "tax_exempt_type": "501(c)(8) fraternal beneficiary society",      "revenue_tax_year": 2025,      "latest_total_assets_usd": 0,      "nonprofit_explorer_link": "https://projects.propublica.org/nonprofits/organizations/262622865",      "latest_total_revenue_usd": 0    }  ]}
Price
1 credit per completed run (1¢ with pay as you go); failed runs are free.
Method
projects.propublica.org/search_nonprofits
Returns
name, city, state, EIN, tax-exempt type, category, latest revenue and assets with their tax years, Nonprofit Explorer link

Use it from your agent

Give your agent this line. It reads SKILL.md, gets a Fous API key and connects the Fous MCP server. Its run then takes the method projects.propublica.org/search_nonprofits with the inputs above.

Ask your agent

  • Find the Red Cross chapter in Austin, Texas and show its latest revenue and assets
  • I need tax-exempt nonprofits named Habitat for Humanity in Ohio with their EIN and total assets
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    projects.propublica.org/get_nonprofit_financials
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    irs.gov/check_charity_status
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    npiregistry.cms.hhs.gov/search_providers
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    medicare.gov/search_nursing_homes
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    usaspending.gov/search_federal_awards
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    medicare.gov/search_hospitals
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    uspto.gov/search_trademarks
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    thomasnet.com/search_suppliers