Common Error Responses

The following table lists the HTTP status codes that the APIs may return, along with their meaning and recommended action.

HTTP Status

Meaning

What To Do

400

Bad Request

Invalid filter or missing required field

Check the request body against the API contract

401

Unauthorized 

Missing or expired JWT token

Re-authenticate and retry with a fresh token

404

Not Found

The asset ID does not exist in your account

Verify the asset ID belongs to your account

429

Rate Limit Exceeded

Wait and retry after the time in the Retry-After header

500

Internal Server Error

Contact Qualys Support if the issue persists