Description Update
ShapeShift is an instant exchange for Litecoin, Bitcoin, Peercoin, Dogecoin, Darkcoin, Namecoin, Feathercoin, Blackcoin and other cryptocoins. As a new service, it is the fastest way to trade between these digital currencies. An exchange between coins on ShapeShift takes only a few seconds, and no account is needed.
There has never been a faster, easier way to exchange Bitcoin, Dogecoin, Litecoin, Peercoin, Darkcoin, Namecoin, Feathercoin, Blackcoin and other cryptocurrencies. You can use ShapeShift to convert instantly between these altcoins individually or in an automated fashion. Exchanges typically occur in less than ten seconds. ShapeShift respects your time, privacy, and security, and so the exchange does not require accounts, passwords, or your email address.
For example, if you are looking to buy Litecoin, but don't want to store (and trust) your funds with another company or wait for deposit confirmations, use ShapeShift to buy Litecoin instantly using Bitcoin, Dogecoin, Peercoin, Darkcoin, Namecoin, Feathercoin, Blackcoin, etc. instead. ShapeShift is for both casual buyers and sellers, but also for traders looking to exchange quickly between digital currencies. ShapeShift is how digital currency exchange should be.
Further, you can use the API to integrate ShapeShift into your Bitcoin website or service, enabling you to accept Litecoin, Dogecoin, Peercoin, Darkcoin, Namecoin, Feathercoin, Blackcoin and other supported altcoins automatically. For example, when a user visits your site and wants to pay with Dogecoin, the ShapeShift API will take the Dogecoin payment and convert it to Bitcoin automatically for you. For automated traders and programs, the ShapeShift API is available with full CORS support.
shapeshift.io