Two powerful APIs — business entity verification and professional license lookup — via a single platform and a single API key.
Provero provides clean, developer-friendly access to US public data through two complementary APIs — both accessible with your single API key.
Verify US business entities — corporations, LLCs, and partnerships. Search by name or entity number and get registration status, agent info, and filing dates.
Verify professional licenses — contractors, healthcare workers, real estate agents, and more. Search by name and get license type, number, status, and expiry date.
Clean JSON responses in under 100ms. Same API key works for both endpoints.
# Search for a business curl "https://api.provero.dev/business/search ?name=Apple&state=DE" \ -H "X-API-Key: pvr_your_key"
{ "results": [{ "name": "APPLE INC.", "entity_type": "Corporation", "status": "Active", "state": "DE", "entity_number": "2117019", "registered_agent": "CT Corp", "incorporation_date": "1987-01-03" }], "total": 1 }
# Search for a professional curl "https://api.provero.dev/license/search ?name=Wilson&state=CT" \ -H "X-API-Key: pvr_your_key"
{ "results": [{ "full_name": "SAMANTHA G WILSON", "license_type": "Emergency Medical Technician", "license_number": "13734", "state": "CT", "status": "Active", "issued_date": "2011-06-09", "expiry_date": "2027-03-31" }], "total": 1 }
All data is pre-loaded and indexed. No scraping on demand — responses in under 100ms directly from our database.
A single API key unlocks both Business and License APIs. No separate signups, no separate billing — just one key.
Data refreshed nightly from official state sources — Secretary of State databases and state licensing boards.
Consistent, normalized JSON across all states and both APIs. No format differences to handle — same structure every time.
Data sourced directly from state Secretary of State and licensing board databases — not third-party aggregators.
8 states and counting. New York alone covers the majority of US corporations — with more added regularly.
More states added regularly — request a state
No credit card required to get started.
Bundle includes both Business and License APIs under a single key. Contact us for enterprise plans.