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US Business Entity Search: Colorado, Connecticut, New York

Look up US companies in official state business registers (Colorado, Connecticut, New York) or list newly formed entities by date: legal name, entity type, status, formation date, state of formation and city, with the source dataset. Official open data, one schema. Company level only: no registered agents, owners, officers, e-mail addresses or street addresses; trade names and sole proprietorships are excluded.

x402: $0.02 per callMCP tool: us_business_entities

Input

ParameterTypeDefaultDescription
statesarrayStates to search: CO, CT, NY. Default: all three.
namestringPart of the legal name (at least 3 characters).
statusstringFilter by status (for example Active, Good Standing, Delinquent). New York lists active entities only.
entityTypestringFilter by entity type text (for example LLC, Corporation, DLLC).
formedSincestringOnly entities formed or registered on or after this date (YYYY-MM-DD). Use the date of your last run for new formations.
formedUntilstringOnly entities formed or registered on or before this date.
limitinteger25Maximum entities per state. Each returned entity is one billable result.

* required

Source and freshness

Source and licence
Stated in every response (field source).
Last verified
2026-10-05 (hourly check against the live source)

Use it

HTTP (x402)

curl -i "https://api.ambolt.dev/v1/us-business-entities?states=%5B%22CO%22%2C%22CT%22%2C%22NY%22%5D&name=bakery&limit=2"

Returns 402 Payment Required with the price until an x402 payment is attached; @x402/fetch does this for you. See Get started.

MCP

{ "mcpServers": { "ambolt": { "url": "https://api.ambolt.dev/mcp" } } }
# then call the tool: us_business_entities

Apify

Not published as an Actor yet.

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