The Intrinio NYMEX Real-Time Futures Prices API provides access to a data feed of real time futures prices from the NYMEX contract market. This feed allows users to follow intra-day price movements for 500 futures and options contracts, the majority of which are for energy-related contracts. Prices may be streamed via websocket or obtained as "snap" quotes via REST API.
Twenty more APIs have been added to the ProgrammableWeb directory in categories including Finance, eCommerce, Banking, Tweets and Fantasy Sports. Highlights today include two enterprise-class APIs from Twitter for querying Tweets. Here's a rundown of the latest additions for developers.