The Kite Connect Trading Python SDK interacts with the API to access investment and portfolio features. Developers can make orders in real time, manage a user portfolio, and stream live market data (WebSockets) with the HTTP API collection.
The Billy's Billing API is aimed at small business entrepreneurs who have their hands full. (That description excludes no start up of course, but at certain crucial phases, it's really really hard to tear yourself away from the growth of the business to focus on...accounting. Ugh. And if you get a system that's too big for your needs to start with, it will cost you dearly in both money and time. For the small time operator, Billy's could be just the thing. Billy's goal is to handle invoices, contacts, payments, products, schedules, transactions, accounts, and more.
StockTwits, a financial communications platform for the financial and investing community, has announced major enhancements to its API offering. The original release of the StockTwits API allowed third party apps to access the StockTwits social graph, integrate watch lists, share messages, and access charts directly from a third party application. With the new release, messages now include charts, videos, and user stats/sentiment. Additionally, community contributed data now links back to the site/app from where the contribution originated.