==== A rule-based real-time stock filtering system.
- SIC code: https://www.sec.gov/info/edgar/siccodes.htm
- FTP service: https://www.sec.gov/edgar/searchedgar/ftpusers.htm
- CIK (Central Index Key) matched entity list: https://www.sec.gov/edgar/NYU/cik.coleft.c
- Filing Full Text Search: https://searchwww.sec.gov/EDGARFSClient/jsp/EDGAR_MainAccess.jsp
- Additional Docs: [Researching Public Companies Through EDGAR: A Guide for Investors] (https://www.sec.gov/investor/pubs/edgarguide.htm#.U6E4XcaPfeM)
- Bloomberg API: http://www.bloomberglabs.com/api/about/
- E*Trade: https://us.etrade.com/active-trading/api
- Quandl: http://www.quandl.com/help/api-for-stock-data
- Yahoo Finance Feeds: https://developer.yahoo.com/finance/
- Twitter Data API
- Streaming API: https://dev.twitter.com/docs/api/streaming
- Search API: https://dev.twitter.com/docs/using-search
- FRED API (Federal Reserve): http://api.stlouisfed.org/docs/fred/?utm_source=research&utm_medium=website&utm_campaign=data-tools
- BLS API (Bureau of Labor Statistics): http://www.bls.gov/developers/