headers: {
                'RaiseHtmlError': false,
                'Accept': 'application/vnd.conekta-v0.3.0+json',
                'Conekta-Client-User-Agent': '{"agent":"Conekta JavascriptBindings/0.3.0"}',
                'Authorization': 'Basic ' + Base64.encode(Conekta.getPublishableKey() + ':')