Get Orderbook

Query for orderbook depth data.

Covers: Spot / USDT perpetual / USDC contract / Inverse contract / Option

• Contract: 500-level of orderbook data
• Spot: 200-level of orderbook data
• Option: 25-level of orderbook data

info

The response is in the snapshot format.

HTTP Request

GET /v5/market/orderbook

Request Parameters

Parameter	Required	Type	Comments
category	true	string	Product type. spot, linear, inverse, option
symbol	true	string	Symbol name, like BTCUSDT, uppercase only
limit	false	integer	Limit size for each bid and ask spot: [1, 200]. Default: 1. linear&inverse: [1, 500]. Default: 25. option: [1, 25]. Default: 1.

Response Parameters

Parameter	Type	Comments
s	string	Symbol name
b	array	Bid, buyer. Sort by price desc
> b[0]	string	Bid price
> b[1]	string	Bid size
a	array	Ask, seller. Order by price asc
> a[0]	string	Ask price
> a[1]	string	Ask size
ts	integer	The timestamp (ms) that the system generates the data
u	integer	Update ID, is always in sequence For contract, it is corresponding to u in the wss 500-level orderbook For spot, it is corresponding to u in the wss 200-level orderbook
seq	integer	Cross sequence You can use this field to compare different levels orderbook data, and for the smaller seq, then it means the data is generated earlier. Option does not have this field currently
cts	integer	The timestamp from the match engine when this orderbook data is produced. It can be correlated with T from public trade channel. linear, inverse, spot have this field

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Request Example

HTTP

GET /v5/market/orderbook?category=spot&symbol=BTCUSDT HTTP/1.1
Host: api-testnet.bybit.com

Python

from pybit.unified_trading import HTTP
session = HTTP(testnet=True)
print(session.get_orderbook(
    category="linear",
    symbol="BTCUSDT",
))

Java

import com.bybit.api.client.domain.CategoryType;
import com.bybit.api.client.domain.market.*;
import com.bybit.api.client.domain.market.request.MarketDataRequest;
import com.bybit.api.client.service.BybitApiClientFactory;
var client = BybitApiClientFactory.newInstance().newAsyncMarketDataRestClient();
var orderbookRequest = MarketDataRequest.builder().category(CategoryType.SPOT).symbol("BTCUSDT").build();
client.getMarketOrderBook(orderbookRequest,System.out::println);

Node.js

const { RestClientV5 } = require('bybit-api');

const client = new RestClientV5({
    testnet: true,
});

client
    .getOrderbook({
        category: 'linear',
        symbol: 'BTCUSDT',
    })
    .then((response) => {
        console.log(response);
    })
    .catch((error) => {
        console.error(error);
    });

Response Example

{
    "retCode": 0,
    "retMsg": "OK",
    "result": {
        "s": "BTCUSDT",
        "a": [
            [
                "65557.7",
                "16.606555"
            ]
        ],
        "b": [
            [
                "65485.47",
                "47.081829"
            ]
        ],
        "ts": 1716863719031,
        "u": 230704,
        "seq": 1432604333,
        "cts": 1716863718905
    },
    "retExtInfo": {},
    "time": 1716863719382
}