Inputs.io was hacked on November 7th, 2013 and the service has been discontinued.

See https://bitcointalk.org/index.php?topic=248803.580  The article is kept only as historic documentation. 

Inputs.io was a free Bitcoin web wallet that leveraged its own off chain payment network. Inputs implemented numerous security measures, and featured instant, fee-less offchain confirmations with an easy to implement developer API.

Inputs.io is no longer operational as November 7th, 2013. 4100 BTC was stolen from Inputs due to a compromise of the server hosting account.

Inputs.io processed more than 235,000 BTC during it’s operation.

Inputs.io was supported by the following sites, along with dozens of faucets.

• Just-dice.com
• BitsPoker.com
• CoinLenders.com
• Coinchat.org
• DailyBitcoins.org
• Peerbet.org
• BitAds.net

Inputs.io was a Bitcoin Foundation Silver industry member.

Source

http://bitcoin.it/

See Also on BitcoinWiki

• Easyswap
• Bitcoin Stock Exchange
• BitcoinExchange Services
• BitMEX
• Coinut