Accordingly with documentation "JasperReports-Server-REST-API-Reference" you can make your URL like this: "http://<ipaddress>:port/jasperserver/rest_v2/reports/reports/path/reportname.<format>?j_username=username&j_password=newpasswrd&inputparam1=value1&inputparam1=value2" Quote from documentation: <format> output type One of the following formats: pdf, html, xls, xlsx, rtf, csv, xml, docx, odt, ods, jrprint. As of JasperReports Server 6.0, it is also possible to specify json if your reports are designed for data export. For more information, see the JasperReports Library samples documentation. One of the following formats: • Regular output: html, pdf, csv, docx, pptx, xls, xlsx, rtf, odt, ods, xml • Metadata output: data_csv, data_xls, data_json