Bitcoin support

There are many ways to accept Bitcoin:
- Direct connection with the client API
You should give a look at the official wiki "bitcoin.it"
Example:
https://en.bitcoin.it/wiki/PHP_developer_intro

This service offer also the same apis of the official client ( http://bitcoin.org ):
http://blockchain.info/json_rpc_api
( so you can test them without installing the client )

- Or you can use other external services:
https://bit-pay.com/
https://mtgox.com/merchant
https://walletbit.com/
http://www.bitcoinpayflow.com/
http://paysius.com/

Other informations:
https://en.bitcoin.it/wiki/Category:Shopping_Cart_Interfaces