Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto.
Set up a free account, get access to NASDAQ data through their APIs.
Analyze a company's investment profile by looking at pertinent news, stock price patterns, and overall sentiment.
Has a REST API. Free tier offers 1 API key, 60 requests per minute, 1000 requests per day. The premium tier isn't too bad ($25us/month) if you need to heavily use their service.
The U.S. Securities and Exchange Commission's HTTPS file system allows comprehensive access to the SEC's EDGAR (Electronic Data Gathering, Analysis, and Retrieval system) filings by corporations, funds, and individuals. For full documentation, please see Accessing EDGAR Data.
Retrieve historical insider trading records for any company and any individual. Hundreds of thousands of SEC filings at your fingertips with one query. Stock data. Fundamentals. Signs of insider trading. Earnings analysis. SEC filings.
A service which tries to make it easy to do paper and algorithmic trading. Paper trading is read-only access to live market data, which is exactly what I need.
Rate limit: 200 requests/API key/minute
API keys are transmitted in headers.
NASDAQ's canonical list of energy companies traded on that exchange. Includes share price trends, market valutation, and trade volumes.
Stocktwits' list of stock symbols for companies that haven't gone public yet.
A website that has free stock tickers and business information about several thousand publically traded companies.
4219 links, including 279 private