SEC EDGAR / Find a company's CIK by name or ticker

Look up US SEC filers by company name or ticker and get their CIK (Central Index Key), the id every other EDGAR route needs. Returns up to 10 best matches: hits.hits[]._id is the CIK without leading zeros, _source.entity is the name with tickers, e.g. "Apple Inc. (AAPL)". Pad the CIK to 10 digits for edgar-submissions and edgar-company-concept. No match returns an empty hits list. Source: U.S. Securities and Exchange Commission, EDGAR (public information). Free on looot: $0 per call.