json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Errors",
      "description": "Define the errors for the API",
      "type": "object",
      "patternProperties": {
          "[a-zA-Z]+": {
              "type": "array",
              "items": {
                  "type": "string"
              },
              "minItems": 1,
              "_uniqueItems": true
          }
      },
      "additionalProperties": false
  }