Twitter photo sharing service TweetPhoto is encouraging developers to use its platform by giving them a way to earn some money. The service pays developers by the number of photos that its users upload via the TweetPhoto API.
From billion dollar companies to the neighborhood coffee shops, merchants of all sizes are seeking new ways to offer secure and affordable mobile payments systems that expand their ability to conduct business. The PayPal API got its start this way, first with online auctions, then with thousands of websites and individuals. It's now one of over 150 payment APIs, many of which exist outside of traditional finance.