andrew-ya / bybit-java-api

bybit-java-api

Table of Contents

• About
• Development
• Installation
• Release Notes
• Usage
• Contact
• Contributors

About

The Official Java API connector for Bybit's HTTP and WebSocket APIs.

Dive into a plethora of functionalities:

• Market Data Retrieval
• Trade Execution
• Position Management
• Account and Asset Info Retrieval
• User and Upgrade Management
• Public Websocket Streaming
• Private Websocket Streaming
• Lending Institution and Client
• Broker Earning Data

bybit-java-api provides an official, robust, and high-performance Java connector to Bybit's trading APIs.

Initially conceptualized by Java developer Victor, this module is now maintained by Bybit's in-house Java experts.

Your contributions are most welcome!

Development

bybit-java-api is under active development with the latest features and updates from Bybit's API implemented promptly. The module utilizes minimal external libraries to provide a lightweight and efficient experience. If you've made enhancements or fixed bugs, please submit a pull request.

Installation

Ensure you have Java 11 or higher. You can include bybit-java-api in your project using Maven or Gradle.

Maven Example

<!-- Maven -->
<dependency>
    <groupId>io.github.wuhewuhe</groupId>
    <artifactId>bybit-java-api</artifactId>
    <version>1.2.4</version>
</dependency>

Gradle Example

implementation group: 'io.github.wuhewuhe', name: 'bybit-java-api', version: '1.2.4'

Furthermore, build tool, please check sonar type central repository

Release-Notes

Websockets

• Add WebSocketMessage handler class to all public and private channels

Improvements

• public and private websocket channel set message handler

Change Log

• Spot Margin Trade endpoints are decrypted for classical users

Usage

Note: Replace placeholders (like YOUR_API_KEY, links, or other details) with the actual information. You can also customize this template to better fit the actual state and details of your Java API.

HttP Client Factory & Websocket Client

Client Factory Option

private final String apiKey;
private final String secret;
private final String baseUrl;
private final Boolean debugMode;
private final String logOption;
private final Long recvWindow;

Http Async Examples

• Place Single Order By Object

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN, true).newAsyncTradeRestClient();
        Map<String, Object> order =Map.of(
        "category", "option",
        "symbol", "BTC-29DEC23-10000-P",
        "side", "Buy",
        "orderType", "Limit",
        "orderIv", "0.1",
        "qty", "0.1",
        "price", "5"
        );
        client.createOrder(order, System.out::println);

• Place Single Order By Map

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN, true).newAsyncTradeRestClient();
var newOrderRequest = TradeOrderRequest.builder().category(CategoryType.LINEAR).symbol("XRPUSDT")
.side(Side.BUY).orderType(TradeOrderType.MARKET).qty("10").timeInForce(TimeInForce.GOOD_TILL_CANCEL)
.positionIdx(PositionIdx.ONE_WAY_MODE).build();
client.createOrder(newOrderRequest, System.out::println);

• Place Batch Order

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN).newAsyncTradeRestClient();
var orderRequests = Arrays.asList(TradeOrderRequest.builder().category(CategoryType.OPTION).symbol("BTC-10FEB23-24000-C").side(Side.BUY).orderType(TradeOrderType.LIMIT).qty("0.1")
.price("5").orderIv("0.1").timeInForce(TimeInForce.GOOD_TILL_CANCEL).orderLinkId("9b381bb1-401").mmp(false).reduceOnly(false).build(),
TradeOrderRequest.builder().category(CategoryType.OPTION).symbol("BTC-10FEB23-24000-C").side(Side.BUY).orderType(TradeOrderType.LIMIT).qty("0.1")
.price("5").orderIv("0.1").timeInForce(TimeInForce.GOOD_TILL_CANCEL).orderLinkId("82ee86dd-001").mmp(false).reduceOnly(false).build());
var createBatchOrders = BatchOrderRequest.builder().category(CategoryType.OPTION).request(orderRequests).build();
client.createBatchOrder(createBatchOrders, System.out::println);

• Position Info

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN).newAsyncPositionRestClient();
var positionListRequest = PositionDataRequest.builder().category(CategoryType.LINEAR).symbol("BTCUSDT").build();
client.getPositionInfo(positionListRequest, System.out::println);

• Asset Info

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN).newAsyncAssetRestClient();
var coinExchangeRecordsRequest = AssetDataRequest.builder().build();
client.getAssetCoinExchangeRecords(coinExchangeRecordsRequest, System.out::println);

Http Sync Examples

• Amend Order

var amendOrderRequest = TradeOrderRequest.builder().orderId("1523347543495541248").category(CategoryType.LINEAR).symbol("XRPUSDT")
        .price("0.5")  // setting a new price, for example
        .qty("15")  // and a new quantity
        .build();
var amendedOrder = client.amendOrder(amendOrderRequest);
System.out.println(amendedOrder);

• Place Batch Order

String jsonRequest = """
{
  "category":"option", 
  "request": [ 
  {  
  "category":"option", 
  "symbol":"BTC-10FEB23-24000-C", 
  "orderType":"Limit", 
  "side":"Buy",   
  "qty":"0.1", 
  "price":"5", 
  "orderIv":"0.1", 
  "timeInForce":"GTC", 
  "orderLinkId":"9b381bb1-401", 
  "mmp":false, 
  "reduceOnly":false  
  },
  {  
  "category":"option", 
  "symbol":"BTC-10FEB23-24000-C", 
  "orderType":"Limit", 
  "side":"Buy",   
  "qty":"0.1", 
  "price":"5", 
  "orderIv":"0.1", 
  "timeInForce":"GTC", 
  "orderLinkId":"82ee86dd-001", 
  "mmp":false, 
  "reduceOnly":false  
  } 
 ]
}
""";
var batchOrderRequest = client.createBathOrder(jsonRequest);
System.out.println(batchOrderRequest);

• Market Data Info

var client = BybitApiClientFactory.newInstance(BybitApiConfig.TESTNET_DOMAIN,true).newMarketDataRestClient();
var marketKLineRequest = MarketDataRequest.builder().category(CategoryType.LINEAR).symbol("BTCUSDT").marketInterval(MarketInterval.WEEKLY).build();
// Weekly market Kline
var marketKlineResult = client.getMarketLinesData(marketKLineRequest);
System.out.println(marketKlineResult);

// Weekly market price Kline for a symbol
var marketPriceKlineResult = client.getMarketPriceLinesData(marketKLineRequest);
System.out.println(marketPriceKlineResult);

// Weekly index price Kline for a symbol
var indexPriceKlineResult = client.getIndexPriceLinesData(marketKLineRequest);
System.out.println(indexPriceKlineResult);

// Weekly premium index price Kline for a symbol
var indexPremiumPriceKlineResult = client.getPremiumIndexPriceLinesData(marketKLineRequest);
System.out.println(indexPremiumPriceKlineResult);

// Get server time
var serverTime = client.getServerTime();
System.out.println(serverTime);

• User Management

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.TESTNET_DOMAIN).newUserRestClient();
var subUserRequest = UserDataRequest.builder().username("VictorWuTest3").password("Password123").memberType(MemberType.NORMAL_SUB_ACCOUNT).note("Some note").switchOption(SwitchOption.TURN_OFF).isUta(IsUta.CLASSIC_ACCOUNT).build();
var subUser = client.createSubMember(subUserRequest);
System.out.println(subUser);

Websocket Client

private final Integer pingInterval;
private final WebsocketMessageHandler messageHandler;
private final String maxAliveTime; // Only valid for private channel, timeunit in seconds or minutes

Websocket public channel

• Order book Subscribe

var client = BybitApiClientFactory.newInstance(BybitApiConfig.STREAM_TESTNET_DOMAIN, true, "okhttp3").newWebsocketClient(20);

// Orderbook
client.getPublicChannelStream(List.of("orderbook.50.BTCUSDT"), BybitApiConfig.V5_PUBLIC_LINEAR);

// Subscribe Orderbook more than one args
client.getPublicChannelStream(List.of("orderbook.50.BTCUSDT","orderbook.1.ETHUSDT"), BybitApiConfig.V5_PUBLIC_LINEAR);

• Ticker Subscribe

var client = BybitApiClientFactory.newInstance(BybitApiConfig.STREAM_MAINNET_DOMAIN, true).newWebsocketClient();

client.setMessageHandler(message -> {
    var tickerData = (new ObjectMapper()).readValue(message, WebSocketTickerMessage.class);
    // Process message data here
    System.out.println("Websocket Message Data: " + tickerData.getData().toString());
});

// Ticker
client.getPublicChannelStream(List.of("tickers.BTCUSDT"), BybitApiConfig.V5_PUBLIC_LINEAR);

Websocket private channel

• Position Subscribe

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.STREAM_TESTNET_DOMAIN).newWebsocketClient();

// Position
client.getPrivateChannelStream(List.of("position"), BybitApiConfig.V5_PRIVATE);

• Order Channel active Message Handler & Max Alive Time & Ping Interval

var client = BybitApiClientFactory.newInstance("YOUR_API_KEY", "YOUR_API_SECRET", BybitApiConfig.STREAM_TESTNET_DOMAIN, true)
        .newWebsocketClient(5, "60s", (message) -> {
        var orderMessage = (new ObjectMapper()).readValue(message, WebSocketOrderMessage.class);
        // Process message data here
        System.out.println("Websocket Message Data: " + orderMessage.getData().toString());
        });

// Order
client.getPrivateChannelStream(List.of("order"), BybitApiConfig.V5_PRIVATE);

Contact

For support, join our Bybit API community on Telegram.

Contributors

List of other contributors

Victor 💻 📖