Helius Development Guide

Build high-performance Solana applications with Helius - the leading RPC and API infrastructure provider with 99.99% uptime, global edge nodes, and developer-first APIs.

Overview

Helius provides:

• RPC Infrastructure: Globally distributed nodes with ultra-low latency
• DAS API: Unified NFT and token data (compressed & standard)
• Enhanced Transactions: Parsed, human-readable transaction data
• Priority Fee API: Real-time fee recommendations
• Webhooks: Event-driven blockchain monitoring
• ZK Compression: Compressed account and token APIs
• LaserStream: gRPC-based real-time data streaming
• Sender API: Optimized transaction landing

Quick Start

Installation