SEC Company Lookup API
SEC Company Lookup and Entity Resolution API
Search SEC company submissions by company name, ticker, exchange:ticker, or identifiers like CIK, LEI, and EIN. The API resolves ambiguous inputs into structured company records and returns ranked matches ordered by relevance score.
Free access
This service is free to use.
Free-tier accounts include 500 company lookups per month.
Burst protection allows up to 10 requests per minute.
Structured SEC company record
Return a clean company record your systems can join, enrich, and store directly.
Ranked match output
See confidence scores and ranked candidates when the input is ambiguous.
API-first delivery
Authenticate with tokens and call the endpoints from your own systems.
Example
Request
curl -X POST "https://api.wealthili.com/api/v1/companies/lookup" \
-H "Content-Type: application/json" \
-H "X-API-Key: YOUR_API_KEY" \
-d '{
"query": "130871985"
}'Response
{
"matchStatus": "MATCHED",
"candidates": [
{
"score": 1.0,
"matchedBy": [
"EIN"
],
"resultGroup": "CLEAR_WINNER",
"explanation": [
"Exact EIN match"
],
"companyInfo": {
"entityId": "1343",
"name": "INTERNATIONAL BUSINESS MACHINES CORP",
"cik": "51143",
"entityType": "operating",
"sic": "3570",
"sicDescription": "Computer & office Equipment",
"ownerOrg": "06 Technology",
"insiderTransactionForOwnerExists": true,
"insiderTransactionForCorpEntityExists": null,
"ein": "130871985",
"lei": null,
"description": null,
"website": null,
"investorWebsite": null,
"filerCategories": [
"Large accelerated filer"
],
"addresses": {
"business": {
"city": "ARMONK",
"country": null,
"street1": "1 NEW ORCHARD ROAD",
"street2": null,
"zipCode": "10504",
"countryCode": null,
"stateOrCountry": "NY",
"isForeignLocation": null,
"foreignStateTerritory": null,
"stateOrCountryDescription": "NY"
},
"mailing": {
"city": "ARMONK",
"country": null,
"street1": "1 NEW ORCHARD RD",
"street2": null,
"zipCode": "10504",
"countryCode": null,
"stateOrCountry": "NY",
"isForeignLocation": 0,
"foreignStateTerritory": null,
"stateOrCountryDescription": "NY"
}
},
"phone": "9144991900",
"mostRecentFilingDate": "2026-03-17",
"fiscalYearEnd": "1231",
"stateOfIncorporation": "NY",
"stateOfIncorporationDescription": "NY",
"securities": [
{
"securityDescription": "International Business Machines Corporation Common Stock",
"ticker": "IBM",
"exchange": "NYSE"
}
],
"formerNames": [
]
}
}
]
}