VN
webadmin 
Th2 08, 2025
Monitoring Bitcoin Transactions via WebSockets
As you’re looking to monitor all transactions on the Bitcoin network, you’ve stumbled upon a promising solution. The provided URL is indeed a valid API endpoint that allows you to subscribe to real-time updates from the Bitcoin blockchain.
In this article, we'll break down what this API offers and how you can use it to monitor all transactions on the Bitcoin network.
What can I do with this API?
The API provides a WebSocket endpoint that enables real-time streaming of data from the Bitcoin blockchain. With this API, you can:
- Subscribe to transaction updates: By subscribing to specific channels (e.g.,
tx,block, ortransaction) and adding your client’s Ethereum address as a listener, you’ll receive updates when new transactions are broadcasted or mined.
- Monitor addresses and their corresponding transaction history
: You can subscribe to channels for individual addresses and receive real-time updates on their transaction history, including the time of each transaction and its value.
Prerequisites
Before diving into this API, ensure that:
- Your Bitcoin client is connected to the network.
- Your Ethereum client is configured to send transactions to the specified address (if applicable).
- You have the required permissions to access the Bitcoin blockchain’s data.
Setting up the API connection
To use the API, you'll need to:
- Register for an API key on the Blockchain.info website.
- Create a new WebSocket endpoint with your client's Ethereum address as the listener.
- Configure the channel subscription parameters (e.g., transaction type and address) in your JavaScript code.
Example Code (JavaScript)
Received transaction data from ${address}: ${data}const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', (ws) => {
const address = 'your_ethereum_address'; // Replace with the Ethereum address you want to listen for
ws.on('message', (data) => {
console.log(
);Error subscribing to ${subscription.channel}: ${error}
// Process and display the received data in real-time
});
});
// Subscribe to transactions channel
wss.on('open', () => {
const subscription = {
channel: 'tx',
address,
};
wss.subscribe(subscription, (error) => {
if (error) {
console.error(
);Subscribed to ${subscription.channel} at ${address}
} else {
console.log(
);
}
});
});
Monitoring Bitcoin transactions
To monitor all Bitcoin transactions on the network, you can subscribe to multiple channels and update your client's display in real-time. For example:
- Subscribe to tx
channel for individual addresses
- Subscribe toblock
channel for block creation events
- Subscribe totransaction
channel for transaction updates
By using this API, you'll be able to monitor all Bitcoin transactions on the network, including new blocks, mining events, and transaction updates.
Conclusion
The API provides an exciting solution for real-time monitoring of Bitcoin transactions. By following these steps and examples, you can set up your client’s WebSocket endpoint and start receiving updates from the Bitcoin blockchain. Remember to replace the Ethereum address in the example code with your own address and configure channel subscriptions according to your needs. Happy monitoring!
