Parsing Bad Request error

The HTTP 400 Bad Request response indicates the field(s) that are incorrect.

The errors key returns the actual field names and the reason for the failure.

{
  "errors": {
    "lid": "missing-required-key",
    "lid2": "disallowed-key"
  },
  "value": {
    "lid2": "somevalue"
  },
  "in": [
    "request",
    "form-params"
  ]
}