This SDK is an Asyncio based Python client for the NATS messaging system. The Polygon NATS Streaming API allows you to indirectly stream stock channels that uses a messaging broker called NATS to connect to a NATS cluster. For Polygon.io streams you must use the NATS library for your language. Polygon enables you to stream real-time market data.
Email marketing service provider MailChimp announced last week a new $1 million dollar fund for startups building products that integrate with the service's MailChimp API. MailChimp's program is somewhat unique in that they won't be asking for equity from the companies they fund. It's a pretty attractive deal for prospective partners and a trail-blazing move for a platform in an increasingly competitive industry.
Just in time for the next election season, the team at MAPLight.org offer the MAPLight.org API which enables developers to "illuminate the connection" between money and politics by providing detailed funding information for candidates for political office.
Here's an interesting online business you may not have heard of: Betfair. Who are they? They're the world's leading online betting exchange, a concept they helped pioneer back in 2000, and now have annual revenues over 180 million pounds Sterling.