{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/SymbologyLookupRequest", "title": "SymbologyLookupRequest", "type": "object", "description": "Request body for symbology lookup operations.", "required": [ "from", "to", "universe" ], "properties": { "from": { "type": "array", "description": "Source identifier type or types.", "items": { "type": "object", "properties": { "identifierTypes": { "type": "array", "description": "List of source identifier types such as ISIN, CUSIP, SEDOL, or Ticker.", "items": { "type": "string" } }, "values": { "type": "array", "description": "List of identifier values to look up.", "items": { "type": "string" } } } } }, "to": { "type": "array", "description": "Target identifier types to resolve to.", "items": { "type": "object", "properties": { "identifierTypes": { "type": "array", "description": "List of target identifier types such as RIC, PermID, or ISIN.", "items": { "type": "string" } } } } }, "universe": { "type": "array", "description": "List of instrument identifiers to resolve.", "items": { "type": "string" } } } }