AngularJs and IonicV1 POST request response with null(not send data)

In Services File:


        var req = {
            method: 'POST',
            url: 'https://themommyclub.com/apicore/buddypressread/messages_new_message/',

            headers: {
                'Content-Type': 'application/json',
                'Access-Control-Allow-Origin': '*',
                'Access-Control-Allow-Methods': 'POST, GET, OPTIONS',
                'Access-Control-Allow-Headers':'acrHeaders'
            },
            params: {
                subject:"NewMessageFromMobileApp",
                content:"fsdafsfsafsafsdfasfds",
                sender_id:1,
                pw:"TestPassword",
                insecure:"cool",
                callback:"JSON_CALLBACK",
                recipients:1
            }

        };

        return $http(req).then(function(response) {
            console.log('Response:', response);
        }, function(data, status, headers, config) {
            console.log('Error:', data);
        });

In FireFox:


But When I Make The Post Request In The postman Extension ,it response successfully