> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0xarchive.io/llms.txt
> Use this file to discover all available pages before exploring further.

# ApiResponseHip4Question Schema

> API response containing one HIP-4 question. Includes generated fields, route metadata, response shapes, and implementation-safe 0xArchive contract details.

Source OpenAPI: 0xArchive API 1.6.1; 147 paths; 128 component schemas.

API response containing one HIP-4 question.

## Required Fields

No required fields are declared on this component schema.

## JSON Schema

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ApiResponseHip4Question",
  "description": "API response containing one HIP-4 question.",
  "type": "object",
  "properties": {
    "data": {
      "description": "HIP-4 question: multi-choice resolver that groups N binary outcomes under one ballot. One named outcome per choice plus a fallback outcome that wins when no named choice resolves.",
      "type": "object",
      "required": [
        "description",
        "fallback_outcome_id",
        "first_seen_at",
        "last_updated_at",
        "name",
        "named_outcome_ids",
        "question_id",
        "settled_named_outcomes"
      ],
      "properties": {
        "description": {
          "description": "Pipe-delimited question metadata (class, underlying, expiry, price thresholds, period).",
          "type": "string",
          "example": "class:priceBucket|underlying:BTC|expiry:20260508-0600|priceThresholds:79303,82540|period:1d"
        },
        "fallback_outcome_id": {
          "description": "Outcome ID that resolves Yes when no named outcome does.",
          "type": "integer",
          "format": "int64",
          "example": 6
        },
        "first_seen_at": {
          "description": "When this question was first observed by the ingester (UTC).",
          "type": "string",
          "format": "date-time",
          "example": "2026-05-08T05:57:28.326Z"
        },
        "last_updated_at": {
          "description": "When this question row was last updated (UTC).",
          "type": "string",
          "format": "date-time",
          "example": "2026-05-08T05:57:28.326Z"
        },
        "name": {
          "description": "Question name as published on-chain (recurring markets use a generic name such as `Recurring`).",
          "type": "string",
          "example": "Recurring"
        },
        "named_outcome_ids": {
          "description": "Outcome IDs of the named choices grouped under this question.",
          "type": "array",
          "items": {
            "type": "integer",
            "format": "int64"
          },
          "example": [
            7,
            8,
            9
          ]
        },
        "question_id": {
          "description": "Question identifier.",
          "type": "integer",
          "format": "int64",
          "example": 0
        },
        "settled_named_outcomes": {
          "description": "Subset of `named_outcome_ids` that have already settled.",
          "type": "array",
          "items": {
            "type": "integer",
            "format": "int64"
          },
          "example": []
        }
      },
      "additionalProperties": true
    },
    "meta": {
      "description": "Response metadata",
      "type": "object",
      "properties": {
        "count": {
          "description": "Number of records returned",
          "type": "integer"
        },
        "coverage_from": {
          "description": "Earliest coverage for the requested symbol and data type. Present only when the requested window ends before coverage begins.",
          "type": "string",
          "format": "date-time"
        },
        "next_cursor": {
          "description": "Cursor for pagination (timestamp). Use this value as the `cursor` parameter to fetch the next page of results.",
          "type": "string",
          "nullable": true
        },
        "notice": {
          "description": "Human-readable advisory about the response. Currently used when the requested window ends before coverage begins for the symbol; may carry other advisories in future.",
          "type": "string"
        },
        "request_id": {
          "description": "Unique request ID for support",
          "type": "string",
          "format": "uuid"
        }
      }
    },
    "success": {
      "type": "boolean",
      "example": true
    }
  }
}
```

## Referenced By

* [GET /v1/hyperliquid/hip4/questions/{question_id}](/schemas/operations/get-hip4-question)