# v1 · PolicyVersion

[All API schemas](/api-reference/v1/schemas/)

<code>object</code> — Additional properties allowed

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>id</code> | Yes | <code>string</code> | — |
| <code>version</code> | Yes | <code>integer</code> | Minimum: <code>1</code> |
| <code>strategy</code> | Yes | [StrategyKind](/api-reference/v1/schemas/strategy-kind/) | — |
| <code>strategyVersion</code> | Yes | [StrategyVersion](/api-reference/v1/schemas/strategy-version/) | — |
| <code>configHash</code> | Yes | <code>string</code> | Pattern: <code>^0x&#91;0-9a-fA-F&#93;{64}$</code> |
| <code>validAfter</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>validUntil</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>riskDelta</code> | No | [RiskDelta](/api-reference/v1/schemas/risk-delta/) | — |
| <code>onchainPolicyHash</code> | No | <code>string</code> | Pattern: <code>^0x&#91;0-9a-fA-F&#93;{64}$</code> |

Nested required fields apply when their parent object or matching union branch is present. Named types link to their complete schema.

Exact definition: <code>#/components/schemas/PolicyVersion</code> in the [OpenAPI contract](/openapi/liquidity-studio.openapi.json).