Authorize a local file upload. PUT bytes to the returned URL with the returned headers only; then inspect document_id until ready or failed.

{
  "document_id": "string",
  "expires_at": "2019-08-24T14:15:22Z",
  "id": "string",
  "headers": {
    "property1": "string",
    "property2": "string"
  },
  "method": "PUT",
  "max_bytes": 0,
  "object": "knowledge_upload",
  "url": "http://example.com"
}

{
  "message": "limit must be an integer between 1 and 100.",
  "name": "bad_request"
}

{
  "message": "The supplied API key is invalid or revoked.",
  "name": "unauthorized"
}

{
  "message": "string",
  "name": "bad_request"
}

{
  "message": "The requested resource was not found.",
  "name": "not_found"
}

{
  "message": "The knowledge document does not have indexed content yet.",
  "name": "conflict"
}

{
  "message": "Too many requests. Please try again later.",
  "name": "rate_limited"
}

{
  "message": "Internal server error.",
  "name": "internal_server_error"
}

{
  "message": "The API is temporarily unavailable.",
  "name": "service_unavailable"
}