400

Used when the request body cannot be parsed, or it contains deceptive routing. If you’re looking for validation errors, HTTP 422 is what you’re looking for

Example response

{
  "type": "https://developer.nexmo.com/api-errors#invalid-json",
  "title": "Malformed JSON",
  "detail": "Malformed JSON payload.",
  "instance": "f94b4e56604e07e5e5ad5a7228618f81"
}