Response Body Download | Can't Parse Json. Raw Result High Quality

: A missing Access-Control-Expose-Headers: Content-Disposition in the OPTIONS preflight response can also trigger this in Swagger UI. How to Fix and Debug

The error message is a common diagnostic warning in tools like Swagger UI or custom API clients. It indicates that while the system expected a structured JSON object, the server returned data that the parser could not interpret—usually a plain string, a blob , or a different file type. Common Causes of the "Can't Parse JSON" Error response body download can't parse json. raw result

This failure typically stems from a mismatch between the header and the actual body content. Common Causes of the "Can't Parse JSON" Error

: Instead of JSON, the server might return a 404 or 500 error formatted as an HTML page. : Some browsers may ignore the Content-Type if

To resolve the issue, you must inspect the "Raw Result" displayed or use browser developer tools to verify the exact payload.

: Some browsers may ignore the Content-Type if a Content-Disposition header precedes it, treating the response as a downloadable file rather than an object to be parsed.

Message "can't parse JSON. Raw result:" added to response body