Verify US trade / occupational licenses (electricians, A/C technicians, cosmetologists, tow operators, and other state-regulated trades). Currently supported state: TX (Texas Department of Licensing & Regulation, all active licenses). Search by name (matches owner or business name, partial), licenseNumber (exact), licenseType (partial, e.g. "Electrician"), county. Each license: type + subtype, number, business + owner name, county, expiration date, continuing-education flag. Contractor due-diligence and KYC. Siblings: /api/license/medical (NPI), /api/license/broker (FINRA). Official state open data.