Link

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Link",
  "description": "Details of a link to a related resource.",
  "type": "object",
  "properties": {
    "rel": {
      "description": "Specifies the relation to the current resource.",
      "type": "string"
    },
    "href": {
      "description": "URL for accessing the related resource.",
      "type": "string",
      "format": "uri"
    },
    "type": {
      "description": "Specifies the media type of the related resource.",
      "type": "string"
    },
    "min_amount": {
      "description": "Minimum allowed amount for the refund.",
      "type": "number",
      "format": "float"
    },
    "max_amount": {
      "description": "Maximum allowed amount for the refund.",
      "type": "number",
      "format": "float"
    }
  }
}