Ethereum: How to find symbol name for Binance websocket API

Here’s an article based on the provided WebSocket API connection code:

How ​​to Find Symbol Name for Binance Websocket API Using JavaScript

The Binance Websocket API provides real-time data streams for various cryptocurrencies and markets. One of the main steps in using this API is to subscribe to certain symbol names that allow you to receive updates about the price and market activity of a certain cryptocurrency or asset.

In this article, we’ll walk you through the process of finding a token name for the Binance Websocket API using JavaScript.

Prerequisites

Before diving into the code, make sure you have:

• The ws package is installed in your project (npm install ws) to handle WebSocket connections.

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

• Set up an account on Binance and received an API Secret key, which is required to authenticate with the websockets API.

Connecting to the Binance Web Sockets API

The provided code uses a WebSocket connection to subscribe to specific character 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 websockets API at ${evt.data.url});
};

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

Subscribing to character names

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

• Method: Specifies the operation to be performed on the data received from the API.

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

• Characters: This is a comma-separated list of character names (eg « 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 the Binance WebSocket API with the subscription details.

Data Processing

After subscribing to certain symbol names, you will receive real-time updates about the shadow and market activity of those symbols. You can use event listeners for WebSocket events (eg open, close, message) to process this data.

For example:

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

This code sets up a listener for any incoming messages from the websocket API. When receiving a message, it writes the data to the console.

Conclusion

Searching for a symbol name for the Binance Web Socket API using JavaScript involves connecting to the API, subscribing to specific symbol names, and processing real-time updates about the price and market activity of those symbols. By following this guide and experimenting with the code snippets provided, you will be able to use the Binance Web Socket API to build reliable and efficient applications.

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