Can not add multiple recipients

[kevaldalasaniya]

i want to add multiple address in to field , i have tried with

System.out.println("send : "+ send.sendMessage("first@address.com", "to[]=first@address.com&to[]=second@address.com&to[]=third@address.com", "the subject", "hi text", " html","cc@xyz.com", "reply@address.com", null));

but it gives

Missing or Invalid Required Fields; content: [{"response":{"status":452,"message":"Missing or Invalid Required Fields","data":"Bad recipient:

How i can add multiple recipients ?