StreamNative · Schema

TopicMessageEventDTO

CompanyData StreamingApache PulsarApache KafkaMessagingEvent StreamingCloud

Properties

Name	Type	Description
type	string
message	object
phase	object
consuming	object

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/streamnative/main/json-schema/streamnative-topic-message-event-dto-schema.json",
  "title": "TopicMessageEventDTO",
  "x-generated": "2026-10-13",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/streamnative-kafka-rest-openapi.yml#/components/schemas/TopicMessageEventDTO",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "enum": [
        "PHASE",
        "MESSAGE",
        "CONSUMING",
        "DONE",
        "EMIT_THROTTLING"
      ]
    },
    "message": {
      "$ref": "#/$defs/TopicMessageDTO"
    },
    "phase": {
      "$ref": "#/$defs/TopicMessagePhaseDTO"
    },
    "consuming": {
      "$ref": "#/$defs/TopicMessageConsumingDTO"
    }
  },
  "$defs": {
    "TopicMessageConsumingDTO": {
      "type": "object",
      "properties": {
        "bytesConsumed": {
          "type": "integer",
          "format": "int64"
        },
        "elapsedMs": {
          "type": "integer",
          "format": "int64"
        },
        "isCancelled": {
          "type": "boolean"
        },
        "messagesConsumed": {
          "type": "integer",
          "format": "int32"
        },
        "filterApplyErrors": {
          "type": "integer",
          "format": "int32"
        }
      }
    },
    "TopicMessageDTO": {
      "type": "object",
      "required": [
        "offset",
        "partition",
        "timestamp"
      ],
      "properties": {
        "partition": {
          "type": "integer",
          "format": "int32"
        },
        "offset": {
          "type": "integer",
          "format": "int64"
        },
        "timestamp": {
          "type": "string",
          "format": "date-time"
        },
        "timestampType": {
          "type": "string",
          "enum": [
            "NO_TIMESTAMP_TYPE",
            "CREATE_TIME",
            "LOG_APPEND_TIME"
          ]
        },
        "key": {
          "type": "string"
        },
        "headers": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          }
        },
        "content": {
          "type": "string"
        },
        "keyFormat": {
          "type": "string",
          "enum": [
            "AVRO",
            "JSON",
            "PROTOBUF",
            "UNKNOWN"
          ]
        },
        "valueFormat": {
          "type": "string",
          "enum": [
            "AVRO",
            "JSON",
            "PROTOBUF",
            "UNKNOWN"
          ]
        },
        "keySize": {
          "type": "integer",
          "format": "int64"
        },
        "valueSize": {
          "type": "integer",
          "format": "int64"
        },
        "keySchemaId": {
          "type": "string"
        },
        "valueSchemaId": {
          "type": "string"
        },
        "headersSize": {
          "type": "integer",
          "format": "int64"
        },
        "keySerde": {
          "type": "string"
        },
        "valueSerde": {
          "type": "string"
        },
        "keyDeserializeProperties": {
          "type": "object",
          "additionalProperties": {
            "type": "object"
          }
        },
        "valueDeserializeProperties": {
          "type": "object",
          "additionalProperties": {
            "type": "object"
          }
        }
      }
    },
    "TopicMessagePhaseDTO": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    }
  }
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this

find_json_schemasBrowse and filter every JSON Schema in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This JSON Schema

curl "https://apis.io/api/v1/json-schemas/streamnative-topic-message-event-dto"

All schemas

curl "https://apis.io/api/v1/json-schemas?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.