Public Solana RPC works out of the box — no key needed. For ~20× faster loads, add one or more Helius API keys. Multiple keys are round-robin rotated across requests to pool rate limits and auto-failover if one errors.
0 keys detected · public RPC
⚠ Client-side exposure: keys live in this page's memory and are sent directly from your browser to Helius. Anyone who views source or the network tab can read them. For public deployment, proxy through a backend and keep keys server-side.