ChatGPT · Schema

ResponseOutputItem

AgentsArtificial IntelligenceChatGPTEmbeddingsFine-TuningGPT-4GPT-5Language ModelOpenAIReal-Time

Properties

Name Type Description
type string The type of the output item.
id string The unique ID of the output item.
role string The role of the output item.
status string The status of the output item.
content array The content of the output message. Present when type is message.
name string The name of the function being called. Present when type is function_call.
call_id string The unique ID of the function call. Present when type is function_call.
arguments string The arguments to the function call in JSON format. Present when type is function_call.
summary array A summary of the reasoning performed by the model. Present when type is reasoning.
View JSON Schema on GitHub

JSON Schema

chatgpt-responses-response-output-item-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ResponseOutputItem",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "description": "The type of the output item."
    },
    "id": {
      "type": "string",
      "description": "The unique ID of the output item."
    },
    "role": {
      "type": "string",
      "description": "The role of the output item."
    },
    "status": {
      "type": "string",
      "description": "The status of the output item."
    },
    "content": {
      "type": "array",
      "description": "The content of the output message. Present when type\nis message.\n"
    },
    "name": {
      "type": "string",
      "description": "The name of the function being called. Present when type\nis function_call.\n"
    },
    "call_id": {
      "type": "string",
      "description": "The unique ID of the function call. Present when type is\nfunction_call.\n"
    },
    "arguments": {
      "type": "string",
      "description": "The arguments to the function call in JSON format. Present\nwhen type is function_call.\n"
    },
    "summary": {
      "type": "array",
      "description": "A summary of the reasoning performed by the model. Present\nwhen type is reasoning.\n"
    }
  }
}

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/chatgpt-responses-response-output-item"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

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.

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