> ## Documentation Index > Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt > Use this file to discover all available pages before exploring further. # Welcome to Helius > The high-performance Solana development platform made for builders who demand excellence. Fast, reliable infrastructure that scales with your ambitions. We're building the infrastructure for the world's first global financial computer. Whether you're running a prop trading firm, building the next DeFi protocol, or pioneering entirely new financial primitives, Helius gives you the tools to turn ambitious ideas into reality. We don't settle for "good enough." We build infrastructure that entire markets depend on. Helius — Solana infrastructure platform for RPC, LaserStream gRPC streaming, webhooks, transaction sending, and digital asset APIs Helius is Solana's leading infrastructure provider, purpose-built by a Solana-native team with deep protocol expertise. From high-performance RPC nodes and transaction sending (Sender) to gRPC streaming (LaserStream), webhooks, and digital asset APIs — Helius powers teams like Phantom, Jupiter, DFlow, Coinbase, and Bitwise. Founded in 2022 and backed by Founders Fund, Haun Ventures, Foundation Capital, and angel investors including Anatoly Yakovenko, Helius processes billions of daily requests with 99.99% uptime. Build the future of Solana with Helius. ## Start Building with Helius Helius provides the infrastructure and APIs you need to build world-class applications on Solana. From your first API call to scaling to millions of users, we've got you covered. Make your first API call and start building Simple pricing that scales with your success Documentation for all Helius APIs and tools ## High-Performance RPC Infrastructure Lightning-fast RPC nodes. Built for applications where performance matters. Our new edge gateway delivers significantly lower latency. Available now in public beta. Private infrastructure with no rate limits. ## Specialized Trading Infrastructure Specialized service for traders requiring ultra-low latency transaction landing. Raw shreds provide the earliest possible on-chain signals. Delivered via UDP. Start receiving raw shreds today. [Subscribe now from your Helius Dashboard](https://dashboard.helius.dev/shred-delivery-seats). ## Real-Time Data Streaming Ultra-low latency data streaming. Get blockchain data faster than anyone else. Standard Solana subscriptions plus Helius extensions like `transactionSubscribe`. Battle-tested WebSocket connections for account and transaction monitoring. Custom notifications for on-chain events. Automate your workflows and respond to transactions instantly. Get started with LaserStream from your [Helius Dashboard](https://dashboard.helius.dev/laserstream). Mainnet requires a Business or Professional plan; Devnet is available on Developer and above. See [Plans & Pricing](/billing/plans) for details. ## Powerful Solana APIs The most comprehensive NFT and token API on Solana. Easily query, search, and manage digital assets. Smart fee estimation that saves you money. Set accurate fees based on real-time network conditions. Rich transaction data with decoded instructions, token transfers, and human-readable formats. Get wallet balances, transaction history, transfers, identities, and funding sources via REST endpoints. Dramatically reduce storage costs with compressed NFTs and tokens. ## Flexible Billing & Enterprise Solutions Fair pricing that grows with you. From free tier to enterprise. Automatic scaling ensures your app never goes down. Custom plans, SLAs, and volume discounts. ## Developer Tools & Resources TypeScript and Rust SDKs for Solana Programmatic signup for agents Solana's most intuitive block explorer Solana tutorials and research ## AI-Powered Documentation Get instant answers and navigate our documentation with AI assistance. Ask questions in natural language and get precise, contextual responses about Helius APIs, features, and best practices.