Wenhao Yang

US NHTSA vehicle data (public open data, no key): decode a VIN into 69 structured fields - make, model, year, body, engine, plant, safety equipment - and pull the safety recalls for a vehicle or by campaign number, with the remedy and the recall date.

New Jersey construction permits (public open data, 2.68M records): the single statewide register every NJ municipality files into - permit type, status, use group, fee breakdown, construction cost, square feet, block+lot, municipality, county. Filter by county/type/cost/date or aggregate.

City of New Orleans building and trade permits (public open data, 348,207 permits, 2006-today): type, status and its date, owner, applicant and contractor, construction value and fees, parcel PIN, address and zoning. Filter by type, status, contractor, value or date.

The US NPI registry (public open data, no key): look up any of the ~9M enumerated healthcare providers by NPI number, name, organization, taxonomy or location. Demographics, credential, license numbers, up to 15 taxonomies, every practice location and endpoint.

New York's corporation register (4.28M companies) and its complete Department of State filing history (20.9M documents): entity type, county, CEO, registered agent and address, plus every filed document, the status trail, the name trail and every address of record - joined on the exact DOS id.

New York DMV adjudicated traffic tickets (public open data, 13.4M tickets, 2022-2026): charged code and description, year/month/weekday, driver age and gender, licence state, police agency and court. No names, addresses or plates.

New York's OCM cannabis licence register (3,002 locations): licence type and status, entity and DBA, county and region, whether the business is actually operating, the authorised activities, and the equity category.

New York property assessment rolls (public open data, 23.6M records, 2021-2025): every parcel with its owner, mailing address, exemptions and six value columns - plus each parcel's exact year-over-year value movement. Excludes New York City, which files separately.

NYC DCWP's licensing ecosystem (public open data): 72.5K licences, 65.9K applications, 278K field inspections, 137K violations with their Admin Code charge and hearing outcome, and 76.5K consumer complaints - all linked by business id, so one lookup returns a business's whole regulatory record.

NYC building work permits (public open data, 1M permits, daily): applicant contractor and licence number, type, estimated job cost, owner, work description, filing reason, plus BBL / BIN / block / lot / ZIP / community board and coordinates. Filter by borough, trade, status or date.

NYC OATH administrative tribunal cases (public open data, 22M cases): issuing agency, violation date and location, hearing / decision dates, outcome, fines and compliance status, plus up to ten charge slots. Filter by agency, result, borough or date.

New York City property assessment records (public open data, 11.7M rows, 2023-2027): every parcel's owner and address, its value through five assessment stages, and the year-over-year movement in market and assessed value.

Oregon Secretary of State business registry (public open data, 565,827 entities across 1.58M role records): every registered business with its entity type, principal place of business, mailing address, registered agent and authorized representative, and organizing jurisdiction.

Oregon Construction Contractors Board licence register (public open data, 56.3K rows, 45.6K licences): licence type, surety bond company/amount/expiry, liability insurer/amount/expiry, responsible managing individual and business address. Filter by type, name, city or carrier.

Oregon UCC financing-statement register by secured party (public open data, 220k records): who holds a secured claim on an Oregon debtor - lender, lessor, trustee or tax authority with its address, the lien type, filing and lapse dates and the filing image link.

Pennsylvania registered-business register (public open data, 4.1M officer rows across 2.36M registrations): the officers and signatories of every registered PA entity - role (President / Governor / Treasurer / Secretary / Organizer / Member), registration type, address with county and creation date.

Philly311 service requests (public open data, 5.9M requests, 2014-today): service type and code, responsible agency, request, update and close timestamps, expected completion, status note, plus address, ZIP and geocode where supplied.

Philadelphia L&I enforcement records (public open data, 5.2M rows, three linked tables): violation notices, inspector visit outcomes and resident complaints, with violation code and title, case status, dates, address, owner, parcel and geocode.

Philadelphia building & trade permits (public open data, 584,800 permits, 2007-today): type, description, approved scope, issue and completion dates, owner of record, full contractor block, address, council district and geocode.

US federal contract opportunities from SAM.gov (85K+ live notices): solicitations, presolicitations, sources sought, awards and special notices across every agency. Filter by keyword, agency, NAICS, set-aside or state; look up one notice; see what changed; or count the market. No API key.

The raw data engine over the full Texas ESBD procurement corpus with structured NIGP codes. Query (any slice) or monitor (change diffing). Deterministic JSON - the same layer the semantic tools use, exposed for your own pipeline.

Texas Comptroller agricultural and timber sales-tax exemption registrations (HB 268, public open data, 419,895 rows): exemption number, taxpayer and mailing address, status, and true issue / expiration date ranges. The registration list, not land valuations.

Austin, TX building permits (public open data, 2.37M records) - the city's full consolidated permit file (electrical/plumbing/building/mechanical) with the contractor behind each job plus valuation, housing units and status. Filter by office/contractor/valuation or aggregate.

Texas Board of Nursing licenses (public open data): live RN directory (~436k, deep employment/specialty/degree fields), every RN ever issued (~794k), LVN/VN (~318k), advanced practice (~81k). Verify licenses, screen board action, or profile the workforce.