Ethereum: How to find the Binance Web Socket API token name

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Here is an article written based on the provided WebSocket API connection code:

How ​​to Find Binance WebSocket API Symbol Name Using JavaScript

Binance WebSocket API provides real-time data feeds for various cryptocurrencies and markets. One of the essential steps in using this API is subscribing to specific symbol names, which allow you to receive updates on the price and market activity of a particular cryptocurrency or asset.

In this article, we will guide you through the process of finding Binance WebSocket API symbol name using JavaScript.

Prerequisites

Before diving into the code, make sure you have:

• Installed the ws package in your project (npm install ws) to handle WebSocket connections.

• Create a new WebSocket connection to Binance WebSocket API by visiting [wss://dex.binance.org/api/ws](

• Create an account on Binance and obtain the API Secret key, which is required for authentication with the WebSocket API.

Connecting to Binance WebSocket API

The provided code uses a WebSocket connection to subscribe to specific token names. Here’s how it works:

const conn = new WebSocket("wss://dex.binance.org/api/ws");
conn.onopen = function(evt) {
console.log(Connected to Binance websocket API at ${evt.data.url});
};

In this example, wss://dex.binance.org/api/ws is the URL of Binance’s WebSocket API. When the connection is established (i.e. an open event occurs), a message indicating the successful connection to the API is logged.

Subscribing to Symbol Names

To subscribe to specific symbol names, you can use the subscribe() method provided by the WebSocket API. The subscribe() method takes four arguments:

• Method: This specifies the operation to perform on the data received from the API.

• Topic: This defines the topic or ticker you want to subscribe to.

• Symbols: This is a comma-separated list of symbol names (e.g., «BNB_BTCBTC»).

Here is an example of a subscription request:

const subscribeRequest = {
method: "subscribe",
topics: ["kline_1h", "kline_4h"],
symbols: ["BNB_BTCBTC"]
};
conn.send(JSON.stringify(subscribeRequest));

In this code snippet, we define a subscribeRequest object with the specified parameters. The subscribe() method sends a request to Binance’s WebSocket API with the subscription details.

Data Management

Once you subscribe to specific symbol names, you will receive real-time price and market activity updates for those symbols. To handle this data, you can use event listeners for WebSocket events (e.g., open, close, message).

For example:

conn.onmessage = function(evt) {
const message = evt.data;
console.log(message);
};

This code sets up a listener for all incoming messages from the WebSocket API. When a message is received, it logs the data to the console.

Conclusion

Finding the symbol name for Binance WebSocket API using JavaScript involves connecting to the API, subscribing to specific symbol names, and handling updates on the price and market activity of those symbols in real time. By following this guide and experimenting with the provided code snippets, you will be able to use Binance WebSocket API to build robust and efficient applications.