Helius

Channels

• accountSubscribe
  Subscribe to changes for a single Solana account. Notifications are emitted when the account's lamports or data change at the configured commitment level. Helius's accountSubscribe is "enhanced" on He
  Helius WebSocket APIs
• blockSubscribe
  Subscribe to new blocks at a given commitment. Standard Solana PubSub method. Marked unstable by Solana; per Helius docs this is NOT supported on LaserStream WS, but is available on standard Helius ma
  Helius WebSocket APIs
• logsSubscribe
  Subscribe to transaction logs matching a filter (all, allWithVotes, or a specific mentions list).
  Helius WebSocket APIs
• programSubscribe
  Subscribe to all account changes owned by a given program.
  Helius WebSocket APIs
• rootSubscribe
  Subscribe to root slot notifications.
  Helius WebSocket APIs
• signatureSubscribe
  Subscribe to confirmation status of a single transaction signature.
  Helius WebSocket APIs
• slotSubscribe
  Subscribe to slot processing notifications.
  Helius WebSocket APIs
• slotsUpdatesSubscribe
  Subscribe to detailed slot status updates (firstShredReceived, completed, createdBank, frozen, dead, optimisticConfirmation, root). Marked unstable. Per Helius docs this is NOT supported on LaserStrea
  Helius WebSocket APIs
• transactionSubscribe
  Helius enhanced subscription. Streams transactions matched by a TransactionSubscribeFilter (vote, failed, signature, accountInclude up to 50,000, accountExclude up to 50,000, accountRequired up to 50,
  Helius WebSocket APIs
• voteSubscribe
  Subscribe to vote notifications from the gossip network. Marked unstable. Per Helius docs this is NOT supported on LaserStream WS, but is reachable on standard Helius mainnet/devnet WS endpoints.
  Helius WebSocket APIs