Coverage

Only these combinations are covered. Anything else is rejected before payment and never charged. Machine-readable: /api/v1/coverage.

JurisdictionProfessionAuthoritySearch byListing
Québec CA-QCConstruction / home-improvement contractorRégie du bâtiment du Québec (RBQ)name, license_numberactive only
Colorado US-COCertified public accountantColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COArchitectColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-CODentistColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COElectrician / electrical contractorColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COProfessional engineerColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-CONurse (RN, LPN/LVN, APRN)Colorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COPharmacistColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COPhysician / surgeonColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COPhysician assistantColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COPlumber / plumbing contractorColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Colorado US-COVeterinarianColorado Department of Regulatory Agencies (DORA), Division of Professions and Occupationsname, license_numberall statuses
Connecticut US-CTCertified public accountantConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTArchitectConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTConstruction / home-improvement contractorConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTDentistConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTElectrician / electrical contractorConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTProfessional engineerConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTHVAC / air-conditioning contractor or technicianConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTNurse (RN, LPN/LVN, APRN)Connecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTPharmacistConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTPhysician / surgeonConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTPhysician assistantConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTPlumber / plumbing contractorConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTReal estate salesperson / brokerConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Connecticut US-CTVeterinarianConnecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense systemname, license_numberall statuses
Illinois US-ILCertified public accountantIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILArchitectIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILConstruction / home-improvement contractorIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILDentistIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILProfessional engineerIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILNurse (RN, LPN/LVN, APRN)Illinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILPharmacistIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILPhysician / surgeonIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILPhysician assistantIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILReal estate salesperson / brokerIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
Illinois US-ILVeterinarianIllinois Department of Financial and Professional Regulation (IDFPR)name, license_numberall statuses
New York US-NYAttorney / lawyerNew York State Unified Court System, Office of Court Administration (Attorney Registration)name, license_numberall statuses
New York US-NYReal estate salesperson / brokerNew York State Department of State, Division of Licensing Servicesname, license_numberactive only
Texas US-TXElectrician / electrical contractorTexas Department of Licensing and Regulation (TDLR)name, license_numbercurrent and recent holders
Texas US-TXHVAC / air-conditioning contractor or technicianTexas Department of Licensing and Regulation (TDLR)name, license_numbercurrent and recent holders
Washington US-WAConstruction / home-improvement contractorWashington State Department of Labor & Industries (L&I)name, license_numberall statuses
Washington US-WAElectrician / electrical contractorWashington State Department of Labor & Industries (L&I)name, license_numberall statuses
Washington US-WAPlumber / plumbing contractorWashington State Department of Labor & Industries (L&I)name, license_numberall statuses

Sources and known limitations

Régie du bâtiment du Québec (RBQ) CA-QC · ca-qc-rbq

Source
Liste des licences actives de la Régie du bâtiment du Québec (Gouvernement du Québec (Données Québec), producer: RBQ)
Method
Live query of the official open-data API (daily updates)
Source language
fr
Data licence
CC-BY 4.0 (source: Régie du bâtiment du Québec, Données Québec)
Listing
Active licenses only: absence is not evidence of any particular status.
Last checked
2026-09-30
  • Active licences only. NOT_FOUND does not distinguish suspended, cancelled, never-issued or differently spelled names.
  • Source data is in French; original names, types and statuses are never translated.
  • "Date du paiement annuel" is the next annual fee date, not an expiry date.

Colorado Department of Regulatory Agencies (DORA), Division of Professions and Occupations US-CO · us-co-dora

Source
Professional and Occupational Licenses in Colorado (State of Colorado (data.colorado.gov), attribution: DORA)
Method
Live query of the official open-data API (daily updates)
Source language
en
Listing
Active and historical licenses with the authority’s own status wording.
Last checked
2026-09-30
  • Real estate, insurance and other licenses issued outside the Division of Professions and Occupations are not in this dataset.
  • The official per-license verification page linked by DORA is protected by a CAPTCHA; License Proof relies on the open-data record, which DORA refreshes daily.
  • General construction contractors are licensed by municipalities in Colorado, not by the state.

Connecticut Department of Consumer Protection (DCP) and Department of Public Health (DPH), via the State eLicense system US-CT · us-ct-elicense

Source
State Licenses and Credentials (State of Connecticut (data.ct.gov))
Method
Live query of the official open-data API (daily updates)
Source language
en
Listing
Active and historical licenses with the authority’s own status wording.
Last checked
2026-09-30
  • Attorneys are admitted by the Connecticut Judicial Branch and are not in this dataset.
  • Statuses APPROVED, QUALIFIED and HOLD are workflow states whose meaning varies by credential; they are returned verbatim with result UNABLE_TO_VERIFY.
  • Names are stored as one field ("FIRST M LAST"); matching is token-based and order-independent.

Illinois Department of Financial and Professional Regulation (IDFPR) US-IL · us-il-idfpr

Source
Professional Licensing (State of Illinois (data.illinois.gov), attribution: IDFPR)
Method
Live query of the official open-data API (daily updates)
Source language
en
Listing
Active and historical licenses with the authority’s own status wording.
Last checked
2026-09-30
  • Attorneys are licensed by the Illinois Supreme Court (ARDC), not IDFPR, and are not covered.
  • Some historical records have no license number; they are returned with number null.
  • Electricians and plumbers are licensed locally or by the Department of Public Health and are not in this dataset.

New York State Unified Court System, Office of Court Administration (Attorney Registration) US-NY · us-ny-ucs-attorneys

Source
NYS Attorney Registrations (State of New York (data.ny.gov), dataset owner: NYS Unified Court System)
Method
Live query of the official open-data API (quarterly updates)
Source language
en
Listing
Active and historical licenses with the authority’s own status wording.
Last checked
2026-09-30
  • Posted quarterly: a status change (e.g. a recent suspension) can take up to a quarter to appear. The dataset date is returned as source_updated_at.
  • The registration number is the attorney registration number issued by the Office of Court Administration.
  • "Delinquent" means the biennial registration is overdue; it is reported as VERIFIED_INACTIVE with the original wording, not as a disciplinary action.

New York State Department of State, Division of Licensing Services US-NY · us-ny-dos-real-estate

Source
Active Real Estate Salespersons and Brokers (State of New York (data.ny.gov), dataset owner: NYS Department of State)
Method
Live query of the official open-data API (daily updates)
Source language
en
Listing
Active licenses only: absence is not evidence of any particular status.
Last checked
2026-09-30
  • The dataset lists ACTIVE licenses only. Absence (NOT_FOUND) does not distinguish expired, suspended, revoked, never-licensed or differently spelled names.
  • Individual names are stored as "LAST FIRST M"; matching is token-based and order-independent.

Texas Department of Licensing and Regulation (TDLR) US-TX · us-tx-tdlr

Source
TDLR - All Licenses (State of Texas (data.texas.gov), attribution: TDLR)
Method
Live query of the official open-data API (periodic (observed weekly to biweekly) updates)
Source language
en
Listing
Current and recently expired license holders; no status column (status derived from expiration date).
Last checked
2026-09-30
  • TDLR publishes no status column. Status is derived from the expiration date only (status_basis EXPIRATION_DATE, confidence MEDIUM): a suspension or revocation before expiry would NOT be visible.
  • The export is refreshed irregularly (observed 1–2 weeks); source_updated_at reports the dataset date.
  • Plumbers are licensed by the Texas State Board of Plumbing Examiners and are not in this dataset.

Washington State Department of Labor & Industries (L&I) US-WA · us-wa-lni

Source
L&I Contractor License Data - General (State of Washington (data.wa.gov), attribution: Labor & Industries)
Method
Live query of the official open-data API (three times daily updates)
Source language
en
Listing
Active and historical licenses with the authority’s own status wording.
Last checked
2026-09-30
  • Contractor registrations are held by businesses; a person is found only as the business name or its primary principal.
  • How long expired registrations remain in the dataset is not documented by the publisher.
  • Bond and insurance details shown on the L&I website are not part of the dataset.