{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api.17track.net/track/v1/schemas/ChangeInfoRequest",
  "title": "ChangeInfoRequest",
  "description": "Request body item for updating metadata on a tracked shipment.",
  "type": "object",
  "required": ["number"],
  "properties": {
    "number": {
      "type": "string",
      "minLength": 5,
      "maxLength": 50,
      "description": "Tracking number",
      "example": "1Z999AA10123456784"
    },
    "tag": {
      "type": "string",
      "description": "Custom tag or order reference for the tracking number",
      "example": "ORDER-12345"
    }
  },
  "additionalProperties": false
}