WebSocket
Standard Solana WebSocket subscriptions for browser apps, dashboards, and lightweight integrations. Included with every plan.
// updated 2026-06-04
Standard Solana WebSocket subscriptions for browser apps, dashboards, and lightweight integrations.
Included with every Bundle plan. STARTER, FOCUS, BUILD, GROW, PROFESSIONAL - all include WebSocket at no extra cost.
What is WebSocket good for?
WebSocket keeps one open connection and the server pushes updates to you as they happen — ideal when you watch a small number of things with zero setup overhead. Browser apps, wallets, internal dashboards, hobby projects.
It's the lightweight option. The trade-off: if you subscribe to something busy — e.g. a programSubscribe over an active DEX program — the firehose of notifications can overwhelm a WebSocket. That high-volume, multi-filter case is exactly what gRPC is built for.
Rule of thumb: a handful of accounts/signatures → WebSocket; production trading or full-state indexing → gRPC.
Endpoint
ws://fra.supanode.xyz:8900
Frankfurt region. Standard Solana WebSocket protocol. IP allowlist auth - no tokens to pass during the WebSocket handshake.
What's included
- Subscription types: account, signature, slot, root, program (with required filters).
- All commitment levels: processed, confirmed, finalized.
- IP allowlist auth - same Bundle whitelist as RPC and gRPC.
STARTER: the WebSocket-first plan
STARTER ($40/mo) gives you 10 concurrent WS connections at the lowest entry price - no gRPC. Built for WebSocket-heavy workloads. Connection caps scale up on every higher tier.
Pricing
| Plan | WebSocket |
|---|---|
| STARTER | included (10 connections) |
| FOCUS | included (20 connections) |
| BUILD | included (30 connections) |
| GROW | included (40 connections) |
| PROFESSIONAL | included (70 connections) |
No credits, no compute units. See Limits for connection caps and subscription totals per plan.
Free trial
WebSocket is part of the 48-hour Bundle free trial. Contact @supanode_tgs on Telegram.
For details, see Free Trials.
External references
Next steps
Subscription methods supported.
Connections and total subscription caps.
Blocked subscriptions.
Code in TypeScript, Rust, Python.