Event (eventwren.com)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/eventwren/main/json-schema/eventwren-event-input-schema.json",
  "title": "Event (eventwren.com)",
  "x-generated": "2026-09-26",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/eventwren-openapi.yml#/components/schemas/EventInput",
  "type": "object",
  "required": [
    "title",
    "body",
    "timezone",
    "topics"
  ],
  "properties": {
    "title": {
      "type": "string",
      "maxLength": 150
    },
    "body": {
      "type": "string",
      "maxLength": 5000
    },
    "timezone": {
      "type": "string",
      "description": "IANA time zone"
    },
    "starts_at": {
      "type": "string",
      "format": "date-time"
    },
    "ends_at": {
      "type": "string",
      "format": "date-time"
    },
    "occurrences": {
      "type": "array",
      "maxItems": 52,
      "items": {
        "type": "object",
        "required": [
          "starts_at",
          "ends_at"
        ],
        "properties": {
          "starts_at": {
            "type": "string",
            "format": "date-time"
          },
          "ends_at": {
            "type": "string",
            "format": "date-time"
          }
        }
      }
    },
    "online_url": {
      "type": "string",
      "format": "uri"
    },
    "topics": {
      "$ref": "#/$defs/Topics"
    },
    "location": {
      "$ref": "#/$defs/Location"
    }
  },
  "$defs": {
    "Location": {
      "type": "object",
      "required": [
        "country"
      ],
      "properties": {
        "country": {
          "type": "string",
          "pattern": "^[A-Z]{2}$"
        },
        "state": {
          "type": "string",
          "pattern": "^[A-Z]{2}-[A-Z0-9]{1,3}$"
        },
        "city": {
          "type": "object",
          "required": [
            "geonames_id",
            "name"
          ],
          "properties": {
            "geonames_id": {
              "type": "integer"
            },
            "name": {
              "type": "string"
            }
          }
        }
      }
    },
    "Topics": {
      "type": "array",
      "minItems": 1,
      "maxItems": 5,
      "items": {
        "type": "string",
        "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
        "maxLength": 40
      }
    }
  }
}