JSON to XML policy

Updated 12 May 2026

Transform JSON content to XML content.

Timing

On Request Content	On Response Content
X	X

Configuration

Property	Required	Description	Type	Default
scope	yes	The execution scope (request or response).	string	REQUEST
rootElement	yes	Root element name that’s enclose content.	string	root

Example

Actual JSON response:

{
    "details": {
        "book": [
            {
                "category": "fiction",
                "author": "Herman Melville"
            },
            {
                "category": "fiction",
                "author": "J. R. R. Tolkien"
            }
        ]
    }
}

Policy configuration:

"json-xml": {
    "scope": "RESPONSE",
    "rootElement": "library"
}

XML Transformed output:

<library>
    <details>
        <book>
            <category>fiction</category>
            <author>Herman Melville</author>
        </book>
        <book>
            <category>fiction</category>
            <author>J. R. R. Tolkien</author>
        </book>
    </details>
</library>

Errors

Code	Description
500	The Gateway cannot execute the transformation properly

note

To limit the processing time, a default max depth of a nested object is 1000.