# MarketQualitySourceBindings

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

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

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>vault</code> | Yes | [MarketQualityVaultSourceBinding](/api-reference/schemas/market-quality-vault-source-binding/) | — |
| <code>venueObservations</code> | Yes | Array of [MarketQualityVenueSourceBinding](/api-reference/schemas/market-quality-venue-source-binding/) | Min items: <code>1</code>; Max items: <code>64</code> |
| <code>executionAttributions</code> | Yes | Array of [MarketQualityExecutionSourceBinding](/api-reference/schemas/market-quality-execution-source-binding/) | Max items: <code>64</code> |
| <code>cohortEvidence</code> | No | [MarketQualityCohortSourceBinding](/api-reference/schemas/market-quality-cohort-source-binding/) | — |
| <code>priorScore</code> | No | [MarketQualityPriorScoreSourceBinding](/api-reference/schemas/market-quality-prior-score-source-binding/) | — |

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/MarketQualitySourceBindings</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).