{ "operationId": "", "summary": "Get Order Book", "method": "GET", "path": "/instruments/{instrument}/orderBook", "parameters": {}, "responses": { "200": { "description": "The order book has been successfully provided.", "schema_ref": "" }, "400": { "description": "", "schema_ref": "" }, "401": { "description": "", "schema_ref": "" }, "404": { "description": "", "schema_ref": "" }, "405": { "description": "", "schema_ref": "" } } }