HttpRequest req = new HttpRequest();
req.setEndpoint('http://careplanapis.azurewebsites.net/api/careplan/login');
req.setMethod('POST');
req.setHeader('Content-Type','application/x-www-form-urlencoded');
String USERNAME = 'careplanAPIUser';
String PASSWORD = 'Test123456';
req.setBody('&username='+USERNAME + '&password='+PASSWORD);
Http http = new Http();
HTTPResponse response = http.send(req);
String cookies = response.getHeader('Set-Cookie');
system.debug(response.getBody());
JSONParser parser = JSON.createParser(response.getBody());
String token = '';
while(parser.nextToken() != null) {
if ((parser.getCurrentToken() == JSONToken.FIELD_NAME) &&
  (parser.getText() == 'Token')) {
        parser.nextToken();
        token = parser.getText();
     }
}
system.debug(token);
//-------------------------------------------------------------------------
HttpRequest req1 = new HttpRequest();
req1.setEndpoint('http://careplanapis.azurewebsites.net/api/careplan/getdefaultcontents?servicelineid=10');
req1.setHeader('Authorization', 'Basic ' + token);
req1.setMethod('GET');
req1.setHeader('Cookie', cookies);
system.debug(req1.getHeader('Content-type'));
Http http1 = new Http();
HttpResponse res1 = http1.send(req1);
system.debug(res1.getBody());
system.debug(res1.getStatusCode());