SEC Blast API
GET/v2/entity_lookup

Search and filter SEC filers by CIK, ticker, exchange, SIC code, state, or name. Returns entity details including tickers, addresses, and filing history.

Required Parameters

NameTypeDescription
api_keyrequiredstringYour API key for authentication

Search Parameters

NameTypeDescription
tickersstring[]Filter by stock ticker symbols
Example: ["AAPL", "MSFT"]
ciksstring[]Filter by CIK numbers
Example: ["320193", "789019"]
name_includesstring[]Substrings that must appear in entity name
Example: ["APPLE"]
name_excludesstring[]Substrings to exclude from entity name
Example: ["HOLDINGS"]
exchangesstring[]Filter by exchange. Valid values: NASDAQ, NYSE, OTC, CBOE
Example: ["NASDAQ"]
sicsstring[]Filter by SIC industry codes
Example: ["7372", "3674"]
statesstring[]Filter by state of incorporation
Example: ["DE", "CA"]
entity_typesstring[]Filter by entity type. Valid values: OPERATING, INVESTMENT, OTHER

Pagination

NameTypeDescription
fromnumberStart index for pagination. Default: 0
tonumberEnd index for pagination. Default: 100, Max: 10000

Examples

Lookup by Ticker

cURL
curl "https://api.secblast.com/v2/entity_lookup?api_key=YOUR_KEY&tickers=AAPL"

Search by Name

cURL
curl "https://api.secblast.com/v2/entity_lookup?api_key=YOUR_KEY&name_includes=APPLE"

Filter by Exchange and State (JSON body)

cURL
curl -X GET "https://api.secblast.com/v2/entity_lookup" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_KEY",
    "exchanges": ["NASDAQ"],
    "states": ["CA"],
    "from": 0,
    "to": 50
  }'

Response

200Success
{
  "count": 1,
  "entities": [
    {
      "cik": "320193",
      "name": "Apple Inc.",
      "tickers": ["AAPL"],
      "exchanges": ["NASDAQ"],
      "sic": "3571",
      "sic_description": "Electronic Computers",
      "state_of_incorporation": "CA",
      "fiscal_year_end": "0930",
      "entity_type": "OPERATING",
      "category": "Large accelerated filer",
      "addresses": {
        "business": {
          "street1": "ONE APPLE PARK WAY",
          "city": "CUPERTINO",
          "state": "CA",
          "zip": "95014"
        }
      }
    }
  ],
  "response_bytes": 456,
  "truncated": false
}
400Error
{
  "error": "Invalid or missing API key"
}