NSEFinance PHP is a library written in PHP for accessing the NSEFinance - Nigerian Stock Exchange API. Examples are provided showing how to get the closing price for a symbol on a given day or for the last five days.
IEX Group, Inc. has announced the release of IEX Cloud, a new platform that provides developers with access to curated financial data and various tools that streamline integration. This new offering will operate as an independent company, separate from IEX Group’s flagship stock exchange.
A partnership between a stock data site and open data platform Factual points to a potential direction of data sharing. Rather than build an API of its own, a company may choose to distribute its data through another platform, which in turn has the API for developers and other partners to access. That's the choice StockPup made and if monetization options were in place, others might do the same.