Service Unavailable Error

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/error_503",
  "title": "Service Unavailable Error",
  "type": "object",
  "description": "The server is temporarily unable to handle the request, for example, because of planned maintenance or downtime.",
  "properties": {
    "name": {
      "type": "string",
      "enum": [
        "SERVICE_UNAVAILABLE"
      ]
    },
    "message": {
      "type": "string",
      "enum": [
        "Service Unavailable."
      ]
    },
    "debug_id": {
      "type": "string",
      "description": "The PayPal internal ID. Used for correlation purposes."
    },
    "links": {
      "description": "An array of request-related [HATEOAS links](https://en.wikipedia.org/wiki/HATEOAS).",
      "type": "array",
      "minItems": 0,
      "maxItems": 10000,
      "items": {
        "$ref": "#/components/schemas/error_link_description"
      }
    }
  },
  "example": {
    "name": "SERVICE_UNAVAILABLE",
    "message": "Service Unavailable.",
    "debug_id": "90957fca61718",
    "information_link": "https://developer.paypal.com/docs/api/orders/v2/#error-SERVICE_UNAVAILABLE"
  }
}