One-shot anything on Solana
Meet the Helius stack for agents:
- Claude Code Plugin
- MCP Server with 60+ tools
- Helius CLI with 95+ commands
- Skills for Helius, DFlow, Phantom, and SVM
- Supports all Helius APIs, staking, and tooling
Enjoy
Streaming a busy Solana account sends lots of duplicate updates
The validator fires updates even when nothing actually changed
The new notifyOn filter drops the majority of those no-ops
Live now for LaserStream gRPC & WebSockets
NEW: Preconfirmations
See transactions the moment a validator commits to executing them
That's 5-50 milliseconds BEFORE transactions are turned into shreds, and the earliest a tx can be observed on Solana
All delivered via one new WebSocket subscription: preconfSubscribe
Get a wallet's balance at any point in time
The new balance-at endpoint returns a wallet's exact SOL or SPL token balance at a given date or slot
How much USDC did a wallet hold at 19:20 on Jan 10, 2025?
Now it's a single call
Ideal for PnL, charts, snapshots, and cost basis
Watching a wallet over gRPC used to miss its token transfers — they touch the wallet's token account, not its pubkey
The new tokenAccounts filter solves this:
It matches transactions where the wallet owns a token balance
Now live for LaserStream gRPC & WebSockets
