Also, I just stumbled upon this post by peter todd:

http://www.reddit.com/r/Bitcoin/comments/27rsv8/confirmed_blockchaininfo_shared_coin_is_broken/

Chris:

That's awesome. When you have a repository, would you mind sharing it on
the mailing list? I would like to offer to contribute / write clients in
different lanuages


On Fri, Jul 18, 2014 at 4:54 PM, Chris Pacia <ctpacia@???> wrote:

> I plan to start work on one soon. Hopefully it will be ready by the later
> part of the year.
>
> You will need to use Tor for communicating with the server however.
> On Jul 18, 2014 2:51 AM, "Sidney Zhang" <sidazhang89@???> wrote:
>
>> Hi unsystem crew,
>>
>> This is my first email on this mailing list.
>>
>> I wanted to see if anyone knows of any open, coinjoin APIs to participate
>> in coinjoin programatically. I know blockchain.info operates
>> http://sharedcoin.com/ but I have 2 problems with it:
>>
>> 1. There is no testnet support, so you can't test!
>> 2. It is mostly designed to be used for their wallet. The API itself
>> fairly sparsely documented (https://github.com/blockchain/Sharedcoin)
>>
>> Has anyone had any experience using the sharedcoin API and does anyone
>> know of an alternative host that also supports testnet?
>>
>> --
>>
>> Kind regards,
>>
>>
>> Sidney Zhang
>>
>> Mobile: +1 415 767 8831
>>
>> _______________________________________________
>> unSYSTEM mailing list: http://unsystem.net
>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem
>>
>>
> _______________________________________________
> unSYSTEM mailing list: http://unsystem.net
> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem
>
>


--

Kind regards,


Sidney Zhang

Mobile: +1 415 767 8831