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          • Overview
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          • realtime.conversation.item.create
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In this article:

  • HTTP request
  • Body parameters
  • RealtimeConversationItem
  • Response
  1. API references
  2. OpenAI-compatible APIs
  3. Realtime
  4. Client events
  5. realtime.conversation.item.create

REST: conversation.item.create

Written by
Yandex Cloud
Updated at December 30, 2025
  • HTTP request
  • Body parameters
  • RealtimeConversationItem
  • Response

HTTP requestHTTP request

POST https://ai.api.cloud.yandex.net/v1/realtime/client-events/conversation.item.create

Body parametersBody parameters

Request schema: application/json

{
  "type": "string",
  "event_id": "string",
  "previous_item_id": "string",
  "item": {
    "id": "string",
    "object": "string",
    "type": "string",
    "role": "string | null",
    "status": "string | null",
    "content": "array | null",
    "call_id": "string | null",
    "name": "string | null",
    "arguments": "string | null",
    "output": "string | null",
    "metadata": "object | null"
  }
}

Add a new item to the conversation context (messages, tool results, function calls, etc.). If successful, the server responds with conversation item events.

Field

Description

type

enum

Required field. The event type, must be conversation.item.create.

  • conversation.item.create

event_id

string

Optional client-generated ID used to identify this event.

previous_item_id

string

The ID of the preceding item after which the new item will be inserted. If omitted, the item is appended. Use root to insert at the beginning.

item

RealtimeConversationItem

Required field. A single item within a Realtime conversation.

RealtimeConversationItemRealtimeConversationItem

A single item within a Realtime conversation.

Field

Description

id

string

Item ID.

object

string

Object type identifier (e.g., realtime.item).

type

string

Required field. Item type (message, function_call, function_call_output, mcp_call, etc.).

role

string | null

Role for message items (user, assistant, system).

status

string | null

Item status, if applicable.

content

array | null

Item content parts.

call_id

string | null

Call ID for tool/function call items.

name

string | null

Tool/function name for call items.

arguments

string | null

Tool/function call arguments as JSON string.

output

string | null

Tool/function output as string or JSON-encoded string.

metadata

object | null

Developer-defined metadata.

ResponseResponse

HTTP Code: 200

OK

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