Error Format

When an error occurs, the response body contains an error code, error message, and optional parameters.

Part	Description
code	The status code representing the error.
message	The message explaining the error.
parameters	Optional. An array of attributes used to generate a different and/or localized error message for the client.

As an example, the application returns a code of 401 and the following message when an invalid signature value is specified in the call GET V1/api/getorders/.

{
    "status_code": 401,
    "reason_phrase": "Unauthorized",
    "body": {
        "message": "The consumer isn't authorized to access %resources.",
        "parameters": {
            "resources": "Magento_Sales::actions_view"
        }
    }
}