> ## 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.

# ApiResponseHip4QuestionArray Schema

> API response containing HIP-4 questions. 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 HIP-4 questions.

## 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": "ApiResponseHip4QuestionArray",
  "description": "API response containing HIP-4 questions.",
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "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](/schemas/operations/list-hip4-questions)