BTCjam is a peer-to-peer Bitcoin lending service. The company aims to mae the lending process easily accessible from around the world, where users can choose the interest rate they can afford by listing the loans they want, and lenders and can pick those they wish to lend to. The BTCjam API allows users to query the current listings open for investment. The API uses REST calls, returns JSON, and uses both SSL and OAuth 2.0 for authentication. An account is required with service, and users must register the application that the API us being used in.