# Use Strings for your hash keys instead of Symbols.
query = {
"method" => "neworder",
"nonce" => 1404996028,
"order_type" => "buy",
"quantity" => 1,
"rate" => 1
}
headers = {
"key" => "8781974720909019987",
"sign" => "0a3888ac7f8e411ad73a0a503c55db70a291bfb9f9a47147d5200882674f717f6ede475669f3453"
}
HTTParty.post(
"https://www.acb.com/api/v2/market/LTC_BTC/",
:query => query,
:headers => headers
)