Helius is a Solana infrastructure company founded in 2022. It provides the core building blocks that developers and trading firms use to build on-chain applications: RPC nodes, APIs, data streaming tools, transaction delivery pipelines, and validator services. Thousands of developers and trading firms depend on its infrastructure daily, and DeFi protocols built on top of Helius collectively serve millions of end users. Customers include Coinbase, Phantom, Jupiter, and Bloomberg.
The company claims to operate the #1 Solana validator by stake and targets 99.999% uptime across its services. Its transaction delivery and data infrastructure are designed for latency-sensitive workloads, including high-frequency trading and on-chain signal detection, where performance is measured in milliseconds.
Helius offers several product lines:
- RPC nodes - network access points for Solana applications
- APIs - interfaces for querying on-chain data and triggering transactions
- Data streaming tools - real-time on-chain data feeds for applications and trading systems
- Transaction delivery pipelines - low-latency infrastructure for submitting transactions reliably
- Validator services - block production and network security on the Solana protocol
The company was founded during the 2022 crypto bear market and positions itself as the infrastructure layer for Solana, serving everyone from independent developers to large financial institutions building production-grade applications.