{"openapi":"3.1.1","info":{"title":"Legal-aid, public-interest-law and civil-rights nonprofits by county, from the IRS exempt-organization list: data API","version":"v1","summary":"Static, read-only JSON and CSV files. No key, no sign-up. CORS open.","description":"Legal-aid, public-interest-law and civil-rights nonprofits by county, from the IRS exempt-organization list: How many legal-aid, public-interest-law and civil-rights nonprofits have an address in each county, state and the nation, from the IRS Exempt Organizations Business Master File. Counts by type (legal services, public interest law, civil rights) and by annual revenue band, with a rate per 100,000 residents. Counts only: no names.\n\nProbative is a marketing firm, not a law firm; not legal advice. 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