yes it is not finished yet. Right now you can request the last price using this simple method:
https://www.atomic-trade.com/getprices?c=PXL&p=BTCwhere c = the coin type
where p = the partner
c and p must be the uppercase 3 letter trade pair names
returns a simple json with the price or if an error the error field will show -1 (0 is good or no error)
Example Response:
{"price": "0.00028500 ", "error": "0"}