Server response codes

If the request contains the only_errors=true parameter and errors were not found in the validated document, the server returns the code «204 No Content».

If errors occur when processing the request, the server response contains the error key.

Format:

{"error":Server response}

The table below lists error codes and descriptions:

Code

Server response

Description

204 No Content

-

The document does not contain any errors.

400

Incorrect id value

Invalid format for the request ID (id parameter).

Url invalid

Invalid format for the URL of the document to validate (the url parameter).

Url is missing

The url parameter is missing or empty.

Use POST request with not empty body

For the document_parser validation method, the POST request must be used with a non-empty request body.

Unsupported language code

Invalid value set for the error message language (the lang parameter).

403

API key isn't valid

Invalid API key specified.

Validation is prohibited by site owner

Using the Structured Data Validator API to process this page is not allowed by the owner of the website.

Rate limit exceeded

The request limit has been reached.

404

Unsupported version

An invalid version of the Structured Data Validator API is specified.

Unsupported method

An invalid document validation method is specified.

504

IO error while downloading document

Error loading the page. The page may have been deleted, may be temporarily unavailable, or downloading it might be prohibited in robots.txt.