{"uid":"cap_gsoULPWzC1BvCFV_0IyZT","slug":"irs-form-990-nonprofit-search-97a8b362","name":"IRS Form 990 Nonprofit Search","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/irs-990?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"n":3,"query":"red cross","results":[{"ein":"581771391","city":"Climax","name":"Red Cross Civitans","state":"NC","ntee_code":"T30"}],"total_results":190}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ydZ5OAwL4Qm1x8eUawNAo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search the IRS 990 database to find nonprofit organizations by name, returning EIN, location, and NTEE classification code","exampleAgentPrompt":"Search the IRS 990 database for nonprofit organizations matching 'Habitat for Humanity' and show me their EIN numbers, states, and NTEE classification codes.","exampleUseCases":[{"title":"Charity due diligence before donating","prompt":"I want to donate to a food bank — can you search the IRS 990 database for nonprofits with 'food bank' in their name and show me their EINs and locations so I can verify they're legit?"},{"title":"Finding a nonprofit's EIN for tax filing","prompt":"I need the EIN for the American Red Cross chapter in North Carolina — can you search the IRS 990 records for 'Red Cross' and find the one in NC?"},{"title":"Nonprofit sector research by category","prompt":"I'm researching environmental nonprofits — search the IRS 990 database for organizations named 'conservation trust' and show me their NTEE codes and states."}],"resultDescription":"Returns a JSON object with the query string, total number of matching nonprofits, a count of results returned, and an array of matching organizations each containing their EIN, organization name, city, state, and NTEE classification code.","failureModes":["No results returned for obscure or misspelled organization names","Query too broad returning hundreds of results with limited pagination","Missing or malformed query parameter returns error","Payment failure via x402 prevents access to results","NTEE code not always populated for all organizations"],"whenToPreferThis":"Use this endpoint when you need to look up IRS-registered nonprofit organizations by name to retrieve their EIN, location, or NTEE classification — especially useful for donor due diligence, grant research, or verifying nonprofit status without needing an API key or account. Prefer this over ProPublica Nonprofit Explorer or IRS e-File search when you need a simple pay-per-call query with no subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:28.946Z","isFirstParty":false,"canonicalSlug":"irs-form-990-nonprofit-search-97a8b362"}