{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/kimi-ai/json-schema/kimi-ai-responses-stream-event-schema.json",
  "title": "ResponsesStreamEvent",
  "description": "`stream: true` 时返回的单个 SSE 事件。SSE 帧形如 `event: <type>` 加 `data: <json>`，事件体的其余字段随 `type` 变化。",
  "x-generated": "2026-11-10",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/kimi-ai-responses-api-openapi.yml#/components/schemas/ResponsesStreamEvent",
  "type": "object",
  "required": [
    "type",
    "sequence_number"
  ],
  "properties": {
    "type": {
      "type": "string",
      "enum": [
        "response.created",
        "response.in_progress",
        "response.output_item.added",
        "response.output_item.done",
        "response.content_part.added",
        "response.content_part.done",
        "response.output_text.delta",
        "response.output_text.done",
        "response.reasoning_summary_part.added",
        "response.reasoning_summary_part.done",
        "response.reasoning_summary_text.delta",
        "response.reasoning_summary_text.done",
        "response.function_call_arguments.delta",
        "response.function_call_arguments.done",
        "response.custom_tool_call_input.delta",
        "response.custom_tool_call_input.done",
        "response.web_search_call.in_progress",
        "response.web_search_call.searching",
        "response.web_search_call.completed",
        "response.completed",
        "response.incomplete",
        "response.failed",
        "error"
      ]
    },
    "sequence_number": {
      "type": "integer",
      "description": "事件序号，从 0 开始单调递增。"
    }
  }
}