{"uid":"cap_XKJC9NdnnpMnP2ZP4rRsU","slug":"sitecheck-health-travel-propublica-nonprofit-explorer-search-3abd25bd","name":"SiteCheck Health & Travel – ProPublica Nonprofit Explorer Search","description":"Search US tax-exempt nonprofits (IRS Form 990 index) by name via the ProPublica Nonprofit Explorer API: EIN, name, city, state, NTEE code and total result count. Search results only; financial detail pages are not included. GuideStar itself has no free public API, so this uses ProPublica's index.","url":"https://api.healthtravel-api.workers.dev/api/travel/guidestar?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"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Organization name words, 2 to 100 characters"},"page":{"type":"string","description":"Result page, 0 or higher (25 results per page)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_bQXCxYycBX-R_Myq5SVgK","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":"Searches US tax-exempt nonprofits by name using the ProPublica Nonprofit Explorer API (IRS Form 990 index), returning EIN, name, city, state, NTEE code, and result count","exampleAgentPrompt":"Can you search the IRS nonprofit index for organizations with 'Red Cross' in their name and show me their EINs, cities, and states from the first page of results?","exampleUseCases":[{"title":"Verify charity's tax-exempt status","prompt":"Is 'Doctors Without Borders USA' registered as a tax-exempt nonprofit with the IRS? Can you look it up and give me its EIN and state?"},{"title":"Find EIN for grant application","prompt":"I need the EIN for 'National Wildlife Federation' to fill out a grant application — can you search the nonprofit index and pull it up?"},{"title":"Explore nonprofits in a sector","prompt":"Search for nonprofit organizations with 'housing' in their name and show me the first page of results including their EINs, cities, states, and NTEE codes."}],"resultDescription":"Returns a list of matching nonprofit organizations from the IRS Form 990 index via ProPublica, each with EIN, legal name, city, state, and NTEE code, plus a total result count indicating how many organizations matched the query across all pages.","failureModes":["Query string shorter than 2 or longer than 100 characters returns a validation error","No matching nonprofits found returns an empty result set with zero total count","Invalid page number (negative or non-integer) may return an error or empty results","ProPublica API upstream outage causes a service unavailable error","Misspelled or ambiguous organization name returns unrelated or zero results"],"whenToPreferThis":"Use this endpoint when you need to search the IRS 990 tax-exempt organization index by name — particularly to retrieve EINs, NTEE codes, or location data for nonprofits. Prefer it over GuideStar direct (no free public API) or manual IRS searches. Best for name-based nonprofit lookup; not suitable for full financial statement retrieval, donor data, or non-US charity lookup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:41:56.724Z","isFirstParty":false,"canonicalSlug":"sitecheck-health-travel-propublica-nonprofit-explorer-search-3abd25bd"}