US business data, straight from the state

Look up companies, check whether a name is free, and get filing fees, deadlines, processing times and tax registration rules for all 50 states and DC. One API key, read from official state sources.

Get a free API key Try the playground

Free plan includes 50 credits a month. No card needed.

Illustration: looking up Acme LLC in Wyoming. The API searches the state's official site and returns the company's filing ID, type, status and formation date for 1 credit.
POST /api/lookupWyoming
{ "companyName": "Acme LLC", "state": "WY" }
Official Wyoming records
{
"entityName": "ACME LLC",
"filingId": "2024-001445631",
"entityType": "Limited Liability Company",
"status": "Active",
"formationDate": "2024-03-02",
"creditsUsed": 1
}

Company search in

Everything a filing needs, for every state

Fees, deadlines, processing times and tax registration cover all 50 states and DC. Name checks and company search cover 18 states: Wyoming, Delaware, Missouri, New York, Texas, Florida, Colorado, Connecticut, Oregon, Pennsylvania, District of Columbia, Idaho, North Dakota, Alabama, New Jersey, Kentucky, Arkansas and Minnesota.

Check a name before you file

We search the exact name, its singular and plural forms, root words and partial matches, then sort what we find into exact, partial and similar conflicts.

3 credits per check
18 states, listed above

Try it API docs

Illustration: checking the name Acme Tech Inc in Wyoming. The check searches four variants of the name, finds one exact, two partial and one similar conflict, ignores a company dissolved years ago, and reports the name as unavailable with a suggestion.
POST /api/check-name3 credits
"desiredName": "▍", "state": "WY"
strip "Inc" → acme tech
acme techacme techsacmetechacme
EXACTACME TECH LLCActive
PARTIALACME TECHNOLOGIES INCActive
PARTIALACME TECH SOLUTIONS LLCActive
SIMILARACME HOLDINGS LLCActive
IGNOREDACME TECH CODissolved 2019, name released
✗ Name unavailable · 1 exact · 2 partial · 1 similar
suggestion: "Acme Tech Group Inc"

Data you can trace back

Traceable to the source

Every fee, deadline, processing time and tax rule links to the state page it came from, with the date it was last confirmed there.

Checked so you don't have to

Official pages are re-read every week, and live processing dates every day. A change goes live only after it's read the same way twice and found on the page.

Pay for answers only

Searches with no results, calls that fail and responses with nothing new are free. Your dashboard shows what every call cost.

Calculators, free to use

Franchise tax by each state's own formula, the yearly cost of annual reports, where sales tax registration starts, federal tax by entity type and IRS late penalties. Built on the same official figures, and each one is also an API endpoint.

All calculators