Exclude method from json parse in before

front-api/app.rb

@@ -37,9 +37,11 @@ before do
     'Access-Control-Expose-Headers' => 'X-Total-Count',
     'Access-Control-Allow-Credentials' => 'true'
 
-  request.body.rewind
+  unless Helper::do_not_parse_as_json.include? env['PATH_INFO']
-  json_string = request.body.read
+    request.body.rewind
-  @json_params = JSON.parse json_string if json_string.length > 1
+    json_string = request.body.reads
+    @json_params = JSON.parse json_string if json_string.length > 1
+  end
 
   if request.request_method == 'OPTIONS'
     halt 200

front-api/helpers.rb

@@ -10,4 +10,8 @@ class Helper
   def self.bam_to_euro(amount)
     self.get_bam_to_euro_conversion_rate * amount
   end
+
+  def self.do_not_parse_as_json
+    ['/payment/confirmation']
+  end
 end