Dintero API errors

HTTP/2 404
date: Sat, 11 Aug 2018 18:08:08 GMT
content-type: application/json; charset=utf-8
content-length: 61
access-control-allow-origin: *
access-control-allow-methods: GET,HEAD,PUT,PATCH,POST,DELETE
access-control-allow-headers: Origin,Content-Type,Accept,Authorization,total-count,page-count
etag: W/"3d-qtDvRirKA9JoksEsKn0JpUa7cpg"

{
  "error": {
    "code": "NOT FOUND",
    "message": "Customer not found"
  }
}