Quoting two unreplied questions. 
~~MZ~~
That's great! Blocktrail is becoming better day by day. Just a simple question, using PHP, can this be used for faucets?
Do you have any plan to include a "broadcast raw transaction" function on blocktrail like the one on blockchain.info and blockr.io?
~~MZ~~
It takes time for them to reply here[1], might be better to just send a mail[2].
[1] check the post dates here: https://bitcointalk.org/index.php?topic=756279.msg9289621#msg9289621
[2] https://www.blocktrail.com/about