RPC Patterns

Talk to validators via JSON-RPC and pubsub. Results appear in the same fence: same-line // comments when short, multiline // blocks below the sample when not.

getAccountInfo

Single account fetch.

// connection.getAccountInfo(pubkey, "confirmed")

getMultipleAccounts

Batch account reads.

// connection.getMultipleAccountsInfo(pubkeys)

getSignatureStatuses

Poll confirmation statuses.

// connection.getSignatureStatuses([sig])

Logs Subscribe

Websocket program logs.

// connection.onLogs(programId, cb, "confirmed")

Commitment

processed < confirmed < finalized.

// commitment: "confirmed"

getTokenAccountsByOwner

List token accounts.

// connection.getParsedTokenAccountsByOwner(owner, { programId: TOKEN_PROGRAM_ID })

getProgramAccounts

Scan program accounts - use wisely (filters/GQL indexers).

// connection.getProgramAccounts(programId, { filters })

Data Slice

Fetch partial account data.

// dataSlice: { offset: 0, length: 32 }

jsonParsed

Parsed account data for known programs.

// encoding: "jsonParsed"

getRecentPrioritizationFees

Sample priority fees.

// connection.getRecentPrioritizationFees()

Slot Subscribe

Slot updates over ws.

// connection.onSlotChange(cb)

HTTP Headers

Auth RPC with headers when required.

// new Connection(url, { httpHeaders: { Authorization: "..." } })

Rate Limits

Backoff and cache reads under public RPCs.

// retry with jitter on 429

getEpochInfo

Cluster epoch info.

// connection.getEpochInfo()

getVersion

Node version string.

// connection.getVersion()

Related

• Client Kit TypeScript - client wrappers
• Compute and Fees - fee estimation
• Testing Local Validator - local RPC URL

Stack versions: This page was written for Agave 4.1.1, Solana CLI 3.0.10, Anchor 0.32.1, Rust 1.91.1, and @solana/kit 7.0.0.