BitKonan

BitKonan is a Croatian-based BitCoin and cryptocurrency trading platform that offers a flat trading rate of 0.29% per transaction. The BitKonan Public API allows access to market data including recent BitCoin prices, highest buy and sell orders, order book, and recent transactions. Using an API key, developers may access the private API to retrieve a user's balance, view a specific user's transactions, and perform order maintenance. Requests to the server are made over HTTP and return JSON objects.