API Documentation

All endpoints return JSON. No API key required. No rate limit (yet).

Entity Search

GET/api/search?q={name}

Search business entities by name. Optional: &state=FL|NY &type=domestic_profit &limit=50

Try: /api/search?q=Smith+Electric (searches FL, NY, CO, VA, CT, OR)

GET/api/entity/{state}/{state_id}

Full entity detail: officers, filing history, status changes, addresses.

GET/api/browse?state=FL&min_age=20&type=domestic_profit&city=Miami

Browse with filters. Returns total count + paginated results.

GET/api/officers?name={name}

Search officers, directors, CEOs by name. Optional: &title=president &state=FL

GET/api/ceo-search?name={name}

Find CEOs/presidents across all states. Shows companies, age, succession signals.

GET/api/cross-ref/ceo-agent?min_age=20

Owner-operated businesses where CEO is also the registered agent. Key acquisition signal.

GET/api/dot/search?name={name}

Search motor carriers by name. Returns fleet size, drivers, officers.

GET/api/dot/{dot_number}

Single carrier detail by DOT number.

GET/api/dot/browse?state=FL&min_units=10

Browse carriers by state and fleet size.

GET/api/nonprofits/search?q={name}

Search 2M+ IRS-registered nonprofits by name. Optional: &state=CA &min_assets=1000000 &ntee=E (health)

GET/api/nonprofits/ein/{ein}

Lookup nonprofit by EIN. Cross-references to state business entity if matched.

GET/api/nonprofits/browse?state=NY&min_assets=10000000

Browse nonprofits with filters: state, asset size, revenue, NTEE code, IRS subsection.

GET/api/nonprofits/stats

Nonprofit statistics: totals, assets, revenue, by state and asset size.

GET/api/nonprofits/cross-ref?state=FL

Nonprofits matched to state business entities via EIN. Shows both IRS and state data.

GET/api/status

Full database statistics.

GET/api/stats/age /api/stats/type /api/stats/geography

Age distribution, entity types, geographic concentration.