Altough you can set media type in Accept header, the charset parameter definition for that media type is not defined anywhere in RFC 2616 (bu After starting Postman, simply click on a new tab (one with a + sign) and then begin by selecting POST from the dropdown. UTF-8 is well-supported and the WebIf a response of an endpoint requires to send data beyond the basic English / ASCII character set, the charset parameter in the Content-Type response header def. Syntax: