{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "Hip4Outcome",
"description": "HIP-4 per-side instrument metadata. One row per `#N` coin. Each outcome has two sides: side 0 (Yes) and side 1 (No). Public asset_id formula: `100_000_000 + 10*outcome_id + side`. Coin format: `#<10*outcome_id + side>`.",
"type": "object",
"required": [
"asset_id",
"coin",
"outcome_id",
"side",
"symbol"
],
"properties": {
"asset_id": {
"description": "Public asset ID. Formula: `100_000_000 + 10*outcome_id + side`.",
"type": "integer",
"format": "int64",
"example": 100000000
},
"builder_address": {
"description": "Builder wallet address that deployed the outcome",
"type": "string",
"nullable": true,
"example": "0x0000000000000000000000000000000000000000"
},
"coin": {
"description": "Coin identifier. Returned in `#`-prefixed form. REST paths accept either the bare numeric id (e.g. `0`) or the `#`-prefixed form (e.g. `#0`). Format: `10*outcome_id + side`.",
"type": "string",
"example": "#0"
},
"description": {
"description": "Pipe-delimited recurring-market metadata",
"type": "string",
"nullable": true,
"example": "class:priceBinary|underlying:BTC|expiry:20260503-0600|targetPrice:78213|period:1d"
},
"display_title": {
"description": "Per-side human-readable title, deterministic from parsed metadata.",
"type": "string",
"nullable": true,
"example": "BTC above 78,213 on May 3 at 06:00 UTC? — Yes"
},
"first_seen_at": {
"description": "Timestamp when the side was first ingested",
"type": "string",
"format": "date-time",
"nullable": true,
"example": "2026-05-02T07:47:00Z"
},
"is_settled": {
"description": "Whether the outcome has settled. Once settled, the market is no longer subscribed by the ingester but historical data remains queryable.",
"type": "boolean",
"example": false
},
"last_updated_at": {
"description": "Timestamp when the side metadata was last updated",
"type": "string",
"format": "date-time",
"nullable": true,
"example": "2026-05-02T20:25:00Z"
},
"name": {
"description": "Human-readable per-side market name",
"type": "string",
"nullable": true,
"example": "BTC ≥ 78213 by 2026-05-03 06:00 UTC — Yes"
},
"outcome_id": {
"description": "Numeric outcome identifier",
"type": "integer",
"format": "int64",
"example": 0
},
"recurring_class": {
"description": "Recurring market class (e.g., `priceBinary`)",
"type": "string",
"nullable": true,
"example": "priceBinary"
},
"recurring_expiry": {
"description": "Settlement timestamp (UTC)",
"type": "string",
"format": "date-time",
"nullable": true,
"example": "2026-05-03T06:00:00Z"
},
"recurring_period": {
"description": "Cadence of the recurring market (e.g., `1d`, `1h`)",
"type": "string",
"nullable": true,
"example": "1d"
},
"recurring_target_px": {
"description": "Target price for the binary outcome",
"type": "number",
"nullable": true,
"example": 78213
},
"recurring_underlying": {
"description": "Underlying asset for recurring price-binary outcomes",
"type": "string",
"nullable": true,
"example": "BTC"
},
"settlement_at": {
"description": "Settlement timestamp (UTC). Omitted while unsettled.",
"type": "string",
"format": "date-time",
"nullable": true,
"example": "2026-05-03T06:00:05.149Z"
},
"settlement_value": {
"description": "Settlement value once the outcome settles (0.0 or 1.0 for binary outcomes). Omitted while unsettled.",
"type": "number",
"nullable": true,
"example": 0
},
"side": {
"description": "Side index: 0 = Yes, 1 = No",
"type": "integer",
"enum": [
0,
1
],
"example": 0
},
"side_name": {
"description": "Human label for this side (typically `Yes` or `No`)",
"type": "string",
"nullable": true,
"example": "Yes"
},
"slug": {
"description": "Per-side URL slug mirroring Hyperliquid's pattern.",
"type": "string",
"nullable": true,
"example": "btc-above-78213-yes-may-03-0600"
},
"symbol": {
"description": "Same value as `coin`. Provided for consistency with other venues.",
"type": "string",
"example": "#0"
}
}
}
