Build a Real-Time SOL Perps Dashboard with the Phoenix API
Build a live SOL perpetual futures dashboard on Solana using the Phoenix REST and WebSocket API market stats, orderbook, candles, trades, and funding.
How to Trade HIP-4 Prediction Markets on Hyperliquid
Discover, fund, trade, and stream Hyperliquid HIP-4 binary outcome markets using Quicknode's zero-custody REST builder API for Hyperliquid.
建立一個 Polymarket 跟單交易機器人
開發一個 Polymarket 交易機器人，用以追蹤目標錢包、即時記錄交易，並新增倉位追蹤與風險上限功能。
Monitor Solana Accounts Using WebSockets and Solana Kit
Learn how to use Solana Kit's new subscription system to monitor changes on-chain. This guide covers setting up WebSocket connections, creating account subscriptions, and properly handling errors and cleanup.
WebSocket vs. Quicknode Streams
In this guide, we’ll explore the similarities and differences between WebSocket and Streams, and help you understand how Streams can solve some of the common issues developers face with WebSocket.
Visualizing Real-Time Blockchain Data With Streams and React
In this guide, we'll teach you about Streams and then demonstrate how to stream real-time blockchain data to a React app using an Express.js HTTP API, socket.io, Web3.js and tailwind.
How to Manage WebSocket Connections With Your Ethereum Node Endpoint
In this guide, you will learn how to manage your WebSocket connection on your Ethereum node endpoint to properly handle downtime and disconnects.
How to Use Solana Pay with Custom Solana Programs
Implement a NextJS app that uses Solana Pay to invoke a custom Solana program.
How to Filter Mempool Transactions on Ethereum
This guide will teach you how to retrieve and filter Mempool transactions on Ethereum using a WebSocket connection and JavaScript.
如何建立 Solana WebSocket 訂閱
Solana 內建了數個實用的事件監聽器（亦稱為訂閱），讓監聽 Solana 區塊鏈上的變更變得輕而易舉。本指南將教您如何使用幾種 Solana 事件監聽器方法以及 Quicknode WebSockets，來監聽區塊鏈上的變更。