Ethereum: Binance API how to build URL with API key

Building an Ethereum API Connection for Binance in JavaScript

== ==

In this article, we will create a simple example of how to connect to the Binance API using the fetch API and fetch data without requiring a Binance API key.

Assumptions

—

• You have a Binance account with API keys.

• Node.js installed on your computer (if you don’t have it, download and install it from [

Code

——

`JavaScript

// Import the fetch API and required libraries

const axios = require('axios');

// Set your Binance API key and API secret (optional)

const apiKey = 'your_dual_API_key';

const apiSecret = 'your_dual_API_secret';

// Define the Ethereum pair you want to get data from

const market = 'ETHUSDT';

asynchronous function getEthereumData() {

// Create the API endpoint URL

const url =

try {

// Set headers and validation (optional)

const headers = {

‘X-MBX-APIKEY’: apiKey,

‘X-MBX-SIGN’: apiSecret,

‘X-MBX-TS’: new Date().getTime()

};

// Send a GET request to the API endpoint

const response = axios.get(url, { headers }); wait.

// Extract and return the data as JSON

return response.data;

} catch (error) {

console.error(error: ${error.message});

}

}

// Usage example:

Get Ethereum data()

.then((data) => {

const marketArray = data[0].value;

// Print the extracted data to the console

console.log(marketArray);

})

.catch((error) => {

console.error(error: ${error.message});

});

“`

How ​​it works

----------------

• We import theaxioslibrary, which is used to make HTTP requests.

• We set your Binance API key and API secret key (if necessary).

• We define the Ethereum pair you want to get data from (in this example, "ETHUSDT").

• We will create the API endpoint URL using the required parameters (e.g.symbol,limit,interval`).

• We will set the headers with your Binance API credentials.

• We will send a GET request to the API endpoint and parse the response as JSON.

• Finally, we will extract and print the extracted data.

Note: This code assumes that you have a valid Binance account and API key. You should replace the “YOUR_BINANCE_API_KEY” and “YOUR_BINANCE_API_SECRET” keys with your actual credentials. Additionally, this example will only fetch the first 100 wedges for each interval. If you need to fetch more data or use other parameters (e.g. order type), modify the code accordingly.

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