> ## Documentation Index > Fetch the complete documentation index at: https://docs.qfex.com/llms.txt > Use this file to discover all available pages before exploring further. # MDS Playground > Single channel for orderbook, trades, candles ## AsyncAPI ````yaml websocket/mds.yaml qfex id: qfex title: Qfex description: Single channel for orderbook, trades, candles servers: - id: production protocol: wss host: mds.qfex.com bindings: [] variables: [] address: / parameters: [] bindings: [] operations: - &ref_25 id: subscribeOrderBookStream title: Subscribe order book stream description: Subscribe to a data stream type: receive messages: - &ref_36 id: subscribeOrderBook contentType: application/json payload: - name: level2 description: Subscribe to the order book type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array required: true - name: symbols type: array description: >- Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - level2 x-parser-schema-id: x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - level2 symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: level2 description: Subscribe to the order book example: |- { "type": "subscribe", "channels": [ "level2" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeOrderBook bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: qfex - &ref_26 id: subscribeTradesStream title: Subscribe trades stream description: Subscribe to a data stream type: receive messages: - &ref_37 id: subscribeTrades contentType: application/json payload: - name: trade description: Subscribe to public trades type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array required: true - name: symbols type: array description: >- Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - trade x-parser-schema-id: x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - trade symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: trade description: Subscribe to public trades example: |- { "type": "subscribe", "channels": [ "trade" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeTrades bindings: [] extensions: *ref_0 - &ref_27 id: subscribeBboStream title: Subscribe bbo stream description: Subscribe to a data stream type: receive messages: - &ref_38 id: subscribeBbo contentType: application/json payload: - name: bbo description: Subscribe to best bid and offer type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: bbo required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - bbo x-parser-schema-id: description: bbo x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - bbo symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: bbo description: Subscribe to best bid and offer example: |- { "type": "subscribe", "channels": [ "bbo" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeBbo bindings: [] extensions: *ref_0 - &ref_28 id: subscribeUnderlierStream title: Subscribe underlier stream description: Subscribe to a data stream type: receive messages: - &ref_39 id: subscribeUnderlier contentType: application/json payload: - name: underlier description: Subscribe to underlier type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: underlier required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - underlier x-parser-schema-id: description: underlier x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - underlier symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: underlier description: Subscribe to underlier example: |- { "type": "subscribe", "channels": [ "underlier" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeUnderlier bindings: [] extensions: *ref_0 - &ref_29 id: subscribeMarkPriceStream title: Subscribe mark price stream description: Subscribe to a data stream type: receive messages: - &ref_40 id: subscribeMarkPrice contentType: application/json payload: - name: mark_price description: Subscribe to mark price type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: mark_price required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - mark_price x-parser-schema-id: description: mark_price x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - mark_price symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: mark_price description: Subscribe to mark price example: |- { "type": "subscribe", "channels": [ "mark_price" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeMarkPrice bindings: [] extensions: *ref_0 - &ref_30 id: subscribeFundingRateStream title: Subscribe funding rate stream description: Subscribe to a data stream type: receive messages: - &ref_41 id: subscribeFundingRate contentType: application/json payload: - name: funding description: Subscribe to funding rate type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: funding required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - funding x-parser-schema-id: description: funding x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - funding symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: funding description: Subscribe to funding rate example: |- { "type": "subscribe", "channels": [ "funding" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeFundingRate bindings: [] extensions: *ref_0 - &ref_31 id: subscribeCandlesStream title: Subscribe candles stream description: Subscribe to a data stream type: receive messages: - &ref_42 id: subscribeCandles contentType: application/json payload: - name: candle description: Subscribe to candles type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: candle required: true - name: symbols type: array description: Symbol/Interval, e.g. "AAPL-USD/1MIN" required: true - name: intervals type: array description: Candle intervals, e.g. "1MIN" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - candle x-parser-schema-id: description: candle x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Symbol/Interval, e.g. "AAPL-USD/1MIN" x-parser-schema-id: intervals: type: array items: type: string enum: - 1MIN - 5MINS - 15MINS - 1HOUR - 4HOURS - 1DAY x-parser-schema-id: description: Candle intervals, e.g. "1MIN" x-parser-schema-id: required: - type - channels - symbols - intervals examples: - type: subscribe channels: - candle symbols: - AAPL-USD intervals: - 1MIN x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: candle description: Subscribe to candles example: |- { "type": "subscribe", "channels": [ "candle" ], "symbols": [ "AAPL-USD" ], "intervals": [ "1MIN" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeCandles bindings: [] extensions: *ref_0 - &ref_32 id: subscribeOpenInterestStream title: Subscribe open interest stream description: Subscribe to a data stream type: receive messages: - &ref_43 id: subscribeOpenInterest contentType: application/json payload: - name: open_interest description: Subscribe to open interest type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: open_interest required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - open_interest x-parser-schema-id: description: open_interest x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - open_interest symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: open_interest description: Subscribe to open interest example: |- { "type": "subscribe", "channels": [ "open_interest" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeOpenInterest bindings: [] extensions: *ref_0 - &ref_33 id: subscribeMinmaxPriceStream title: Subscribe minmax price stream description: Subscribe to a data stream type: receive messages: - &ref_44 id: subscribeMinmaxPrice contentType: application/json payload: - name: minmax_price description: Subscribe to minmax price type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: minmax_price required: true - name: symbols type: array description: Trading pairs, e.g. "AAPL-USD" required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - minmax_price x-parser-schema-id: description: minmax_price x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD" x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - minmax_price symbols: - AAPL-USD x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: minmax_price description: Subscribe to minmax price example: |- { "type": "subscribe", "channels": [ "minmax_price" ], "symbols": [ "AAPL-USD" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeMinmaxPrice bindings: [] extensions: *ref_0 - &ref_34 id: subscribeMarketStatsStream title: Subscribe market stats stream description: Subscribe to consolidated market statistics type: receive messages: - &ref_45 id: subscribeMarketStats contentType: application/json payload: - name: market_stats description: Subscribe to consolidated market statistics type: object properties: - name: type type: string enumValues: - unsubscribe - subscribe required: true - name: channels type: array description: market_stats required: true - name: symbols type: array description: >- Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols required: true headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: type: object properties: type: type: string enum: - unsubscribe - subscribe x-parser-schema-id: channels: type: array items: type: string enum: - market_stats x-parser-schema-id: description: market_stats x-parser-schema-id: symbols: type: array items: type: string x-parser-schema-id: description: Trading pairs, e.g. "AAPL-USD", can also use "*" for all symbols x-parser-schema-id: required: - type - channels - symbols examples: - type: subscribe channels: - market_stats symbols: - '*' x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: market_stats description: Subscribe to consolidated market statistics example: |- { "type": "subscribe", "channels": [ "market_stats" ], "symbols": [ "*" ] } bindings: [] extensions: - id: x-parser-unique-object-id value: subscribeMarketStats bindings: [] extensions: *ref_0 - &ref_35 id: receiveUpdates title: Receive updates description: Receive all update messages and events type: send messages: - &ref_46 id: orderBookUpdate contentType: application/json payload: - examples: &ref_1 - type: level2 symbol: AAPL-USD time: '2025-08-20T09:26:36.861195808Z' bid: - - '564.1' - '0.1' - - '560.3' - '0.001' ask: - - '566.2' - '2.118' - - '566.3' - '2.119' sig_figs: 2 allOf: &ref_2 - &ref_3 type: object properties: type: type: string x-parser-schema-id: connection_id: type: string x-parser-schema-id: message_id: type: integer x-parser-schema-id: channel: type: string x-parser-schema-id: id: type: string x-parser-schema-id: required: - type - connection_id - message_id x-parser-schema-id: MessageEnvelope - type: object properties: contents: type: array items: type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: bid: type: array items: type: array items: type: string x-parser-schema-id: minItems: 2 maxItems: 2 x-parser-schema-id: x-parser-schema-id: ask: type: array items: type: array items: type: string x-parser-schema-id: minItems: 2 maxItems: 2 x-parser-schema-id: x-parser-schema-id: sig_figs: type: integer x-parser-schema-id: x-parser-schema-id: OrderBookPayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: level2 description: Changes in the L2 order book headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_1 allOf: *ref_2 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: level2 description: Changes in the L2 order book example: |- { "type": "level2", "symbol": "AAPL-USD", "time": "2025-08-20T09:26:36.861195808Z", "bid": [ [ "564.1", "0.1" ], [ "560.3", "0.001" ] ], "ask": [ [ "566.2", "2.118" ], [ "566.3", "2.119" ] ], "sig_figs": 2 } bindings: [] extensions: - id: x-parser-unique-object-id value: orderBookUpdate - &ref_47 id: tradeUpdate contentType: application/json payload: - examples: &ref_4 - type: trade trade_id: ab59768f-f81e-4535-80c0-7b35f6709704 time: '2025-08-20T09:26:36.861195808Z' symbol: PLTR-USD size: '0.100000' price: '157.025000' side: SELL execution_type: T allOf: &ref_5 - *ref_3 - type: object properties: contents: type: array items: type: object properties: trade_id: type: string x-parser-schema-id: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: size: type: string x-parser-schema-id: price: type: string x-parser-schema-id: side: type: string x-parser-schema-id: execution_type: type: string x-parser-schema-id: x-parser-schema-id: TradePayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: trades description: Public trades headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_4 allOf: *ref_5 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: trades description: Public trades example: |- { "type": "trade", "trade_id": "ab59768f-f81e-4535-80c0-7b35f6709704", "time": "2025-08-20T09:26:36.861195808Z", "symbol": "PLTR-USD", "size": "0.100000", "price": "157.025000", "side": "SELL", "execution_type": "T" } bindings: [] extensions: - id: x-parser-unique-object-id value: tradeUpdate - &ref_48 id: candleUpdate contentType: application/json payload: - examples: &ref_6 - type: candle symbol: PLTR-USD start: '2025-08-20T09:27:00Z' resolution: 1MIN low: '155.700000' high: '157.225000' open: '156.475000' close: '156.900000' usdVolume: 16700 trades: 16 allOf: &ref_7 - *ref_3 - type: object properties: contents: type: array items: type: object properties: start: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: resolution: type: string x-parser-schema-id: open: type: string x-parser-schema-id: high: type: string x-parser-schema-id: low: type: string x-parser-schema-id: close: type: string x-parser-schema-id: usdVolume: type: integer x-parser-schema-id: trades: type: integer x-parser-schema-id: x-parser-schema-id: CandlePayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: candle description: Candle updates over various intervals headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_6 allOf: *ref_7 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: candle description: Candle updates over various intervals example: |- { "type": "candle", "symbol": "PLTR-USD", "start": "2025-08-20T09:27:00Z", "resolution": "1MIN", "low": "155.700000", "high": "157.225000", "open": "156.475000", "close": "156.900000", "usdVolume": 16700, "trades": 16 } bindings: [] extensions: - id: x-parser-unique-object-id value: candleUpdate - &ref_49 id: bboUpdate contentType: application/json payload: - examples: &ref_8 - type: bbo symbol: AAPL-USD time: '2025-08-20T09:26:36.861195808Z' bid: - - '564.1' - '2.126' ask: - - '566.2' - '2.118' allOf: &ref_9 - *ref_3 - type: object properties: contents: type: array items: &ref_20 type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: bid: type: array items: type: array items: type: string x-parser-schema-id: minItems: 2 maxItems: 2 x-parser-schema-id: x-parser-schema-id: ask: type: array items: type: array items: type: string x-parser-schema-id: minItems: 2 maxItems: 2 x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: BboPayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: bbo description: Best bid and offer updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_8 allOf: *ref_9 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: bbo description: Best bid and offer updates example: |- { "type": "bbo", "symbol": "AAPL-USD", "time": "2025-08-20T09:26:36.861195808Z", "bid": [ [ "564.1", "2.126" ] ], "ask": [ [ "566.2", "2.118" ] ] } bindings: [] extensions: - id: x-parser-unique-object-id value: bboUpdate - &ref_50 id: underlierUpdate contentType: application/json payload: - examples: &ref_10 - type: underlier symbol: AAPL-USD price: '437.45' time: '2025-05-08T20:52:48.000Z' source: external allOf: &ref_11 - *ref_3 - type: object properties: contents: type: array items: type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: price: type: string x-parser-schema-id: source: type: string enum: - internal - external x-parser-schema-id: x-parser-schema-id: UnderlierPayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: underlier description: Underlier updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_10 allOf: *ref_11 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: underlier description: Underlier updates example: |- { "type": "underlier", "symbol": "AAPL-USD", "price": "437.45", "time": "2025-05-08T20:52:48.000Z", "source": "external" } bindings: [] extensions: - id: x-parser-unique-object-id value: underlierUpdate - &ref_51 id: markPriceUpdate contentType: application/json payload: - examples: &ref_12 - type: mark_price symbol: AAPL-USD price: '437.45' time: '2025-05-08T20:52:48.000Z' allOf: &ref_13 - *ref_3 - type: object properties: contents: type: array items: &ref_21 type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: price: type: string x-parser-schema-id: x-parser-schema-id: MarkPricePayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: mark_price description: Mark price updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_12 allOf: *ref_13 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: mark_price description: Mark price updates example: |- { "type": "mark_price", "symbol": "AAPL-USD", "price": "437.45", "time": "2025-05-08T20:52:48.000Z" } bindings: [] extensions: - id: x-parser-unique-object-id value: markPriceUpdate - &ref_52 id: fundingRateUpdate contentType: application/json payload: - examples: &ref_14 - type: funding symbol: AAPL-USD funding_rate: '0.21' time_remaining: 32 //in seconds time: '2025-05-08T20:52:48.000Z' allOf: &ref_15 - *ref_3 - type: object properties: contents: type: array items: type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: funding_rate: type: string x-parser-schema-id: time_remaining: type: integer x-parser-schema-id: x-parser-schema-id: FundingRatePayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: funding description: Funding rate updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_14 allOf: *ref_15 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: funding description: Funding rate updates example: |- { "type": "funding", "symbol": "AAPL-USD", "funding_rate": "0.21", "time_remaining": "32 //in seconds", "time": "2025-05-08T20:52:48.000Z" } bindings: [] extensions: - id: x-parser-unique-object-id value: fundingRateUpdate - &ref_53 id: openInterestUpdate contentType: application/json payload: - examples: &ref_16 - type: open_interest symbol: AAPL-USD open_interest: '1000000' time: '2025-05-08T20:52:48.000Z' allOf: &ref_17 - *ref_3 - type: object properties: contents: type: array items: &ref_22 type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: open_interest: type: string x-parser-schema-id: x-parser-schema-id: OpenInterestPayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: open_interest description: Open Interest updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_16 allOf: *ref_17 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: open_interest description: Open Interest updates example: |- { "type": "open_interest", "symbol": "AAPL-USD", "open_interest": "1000000", "time": "2025-05-08T20:52:48.000Z" } bindings: [] extensions: - id: x-parser-unique-object-id value: openInterestUpdate - &ref_54 id: minmaxPriceUpdate contentType: application/json payload: - examples: &ref_18 - type: minmax_price symbol: AAPL-USD min_price: '400.00' max_price: '450.00' time: '2025-05-08T20:52:48.000Z' allOf: &ref_19 - *ref_3 - type: object properties: contents: type: array items: type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string x-parser-schema-id: min_price: type: string x-parser-schema-id: max_price: type: string x-parser-schema-id: x-parser-schema-id: MinmaxPricePayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: minmax_price description: Minmax Price updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_18 allOf: *ref_19 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: minmax_price description: Minmax Price updates example: |- { "type": "minmax_price", "symbol": "AAPL-USD", "min_price": "400.00", "max_price": "450.00", "time": "2025-05-08T20:52:48.000Z" } bindings: [] extensions: - id: x-parser-unique-object-id value: minmaxPriceUpdate - &ref_55 id: marketStatsUpdate contentType: application/json payload: - examples: &ref_23 - type: market_stats sequence: 30272540 time: '2025-09-04T09:26:40Z' symbol: '*' bbos: - time: '2025-09-04T09:26:39.545268322Z' symbol: AAPL-USD bid: - - '10101.1' - '0.4505414' ask: - - '10102.55' - '0.57753524' mark_prices: - time: '2025-09-04T09:26:39.545268322Z' symbol: AAPL-USD price: '10102' open_interests: - time: '2025-09-04T09:26:39.545268322Z' symbol: AAPL-USD open_interest: '12.5' daily_volumes: - symbol: AAPL-USD volume: '12.5' allOf: &ref_24 - *ref_3 - type: object properties: contents: type: array items: type: object properties: time: type: string format: date-time x-parser-schema-id: symbol: type: string description: Requested symbol or "*" for wildcard subscriptions x-parser-schema-id: bbos: type: array items: *ref_20 x-parser-schema-id: mark_prices: type: array items: *ref_21 x-parser-schema-id: open_interests: type: array items: *ref_22 x-parser-schema-id: daily_volumes: type: array items: type: object properties: symbol: type: string x-parser-schema-id: volume: type: string x-parser-schema-id: x-parser-schema-id: DailyVolumePayload x-parser-schema-id: x-parser-schema-id: MarketStatsPayload x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: name: market_stats description: Consolidated market statistics updates headers: - name: headers type: object properties: - name: x-qfex-client type: string description: Client identifier required: false jsonPayloadSchema: examples: *ref_23 allOf: *ref_24 x-parser-schema-id: jsonHeadersSchema: type: object properties: x-qfex-client: type: string description: Client identifier x-parser-schema-id: x-parser-schema-id: title: market_stats description: Consolidated market statistics updates example: |- { "type": "market_stats", "sequence": 30272540, "time": "2025-09-04T09:26:40Z", "symbol": "*", "bbos": [ { "time": "2025-09-04T09:26:39.545268322Z", "symbol": "AAPL-USD", "bid": [ [ "10101.1", "0.4505414" ] ], "ask": [ [ "10102.55", "0.57753524" ] ] } ], "mark_prices": [ { "time": "2025-09-04T09:26:39.545268322Z", "symbol": "AAPL-USD", "price": "10102" } ], "open_interests": [ { "time": "2025-09-04T09:26:39.545268322Z", "symbol": "AAPL-USD", "open_interest": "12.5" } ], "daily_volumes": [ { "symbol": "AAPL-USD", "volume": "12.5" } ] } bindings: [] extensions: - id: x-parser-unique-object-id value: marketStatsUpdate bindings: [] extensions: *ref_0 sendOperations: - *ref_25 - *ref_26 - *ref_27 - *ref_28 - *ref_29 - *ref_30 - *ref_31 - *ref_32 - *ref_33 - *ref_34 receiveOperations: - *ref_35 sendMessages: - *ref_36 - *ref_37 - *ref_38 - *ref_39 - *ref_40 - *ref_41 - *ref_42 - *ref_43 - *ref_44 - *ref_45 receiveMessages: - *ref_46 - *ref_47 - *ref_48 - *ref_49 - *ref_50 - *ref_51 - *ref_52 - *ref_53 - *ref_54 - *ref_55 extensions: - id: x-parser-unique-object-id value: qfex securitySchemes: [] ````