API DOCUMENTATION
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    C# sample code

    The C# sample API client can be downloaded from here.

    Note: SalesInvoices should now be named SalesOrders.

    Generating the method signature

        private static string GetSignature(string args, string privatekey) 
        { 
            var encoding = new System.Text.UTF8Encoding(); 
            byte[] key = encoding.GetBytes(privatekey); 
            var myhmacsha256 = new HMACSHA256(key); 
            byte[] hashValue = myhmacsha256.ComputeHash(encoding.GetBytes(args)); 
            string hmac64 = Convert.ToBase64String(hashValue); 
            myhmacsha256.Clear(); 
            return hmac64; 
        }

    Use the API Sandbox to see how the object is rendered in JSON or XML.

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    Trial accounts are also allowed to connect to the API.
    You can register a new account here: Register.