I need to post some data to server using XML.

The XML body of my request is

        requestBody = '<?xml version="1.0" encoding="UTF-8"?><xmlreq><record name="direct" status="new"><field name="company-name">Test2</field></record></xmlreq>';

I use this request

        HttpRequest req = new HttpRequest();
        HttpResponse res = new HttpResponse();
        Http http = new Http();
        try {
            res = http.send(req);
            System.debug('Callout OK: ' + res.getBody());
        } catch (System.CalloutException e) {
            System.debug('Callout error: ' + e);

In response, I get a phrase - Unable to read the input data. Error on my part or on the server-side? I think that there is an error in my XML or in a way of its transfers to the server.

Thank you

  • Are you sure the target system accepts a compressed body? Aug 3, 2021 at 15:56

1 Answer 1


That XML is fine, though I would generally recommend you use Dom.Document to generate your XML. However, you did not specify a Content-Type, which may cause your application to not understand the data you're passing in. Try:

req.setHeader('Content-Type', 'application/xml');
  • Thank you for your answer but this didn't solve my issue (i got the same issue). Maybe we need some other approach? Aug 3, 2021 at 7:45

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