BitStamp is an online exchange for bitcoins. Online consumers and traders can use it as a global marketplace to buy and sell BitCoins. Users make cash deposits to buy bitcoins from other users. They may then use those to make purchases or trade them back for cash eventually. BitStamp also provides a fee schedule and market information about bitcoins. Their RESTful API exposes transactional functions and access to bitcoin market ticker information. It returns JSON-encoded data.
Our API directory now includes 46 bitcoin APIs. The newest is the Btc.to API. The most popular, in terms of page visits, is the BitStamp API. Below you'll find some more stats from the directory, including the entire list of bitcoin APIs.