NoLimitNodesDocs
Solana RPC

Block Methods

Retrieve confirmed and finalized block data, block commitment, and block production stats on Solana.

getBlock

POST - JSON-RPC

Returns identity and transaction information about a confirmed block.

params[0]integerrequired

Slot number (u64).

params[1]object

Configuration object:

  • commitment (string) - finalized or confirmed
  • encoding (string) - json, jsonParsed, base58, base64
  • transactionDetails (string) - full, accounts, signatures, none
  • rewards (boolean) - include rewards
  • maxSupportedTransactionVersion (integer) - max transaction version
curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlock","params":[430,{"encoding":"json","maxSupportedTransactionVersion":0,"transactionDetails":"full","rewards":false}]}'

getBlockTime

POST - JSON-RPC

Returns the estimated block time for a given block on the Solana blockchain.

params[0]integerrequired

Block slot number (u64).

curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlockTime","params":[5]}'

getBlockCommitment

POST - JSON-RPC

Returns the commitment for a specific block, providing cluster stake voting information.

params[0]integerrequired

Slot number (u64).

curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlockCommitment","params":[5]}'

getBlockHeight

POST - JSON-RPC

Returns the current block height of the Solana blockchain node.

params[0]object

Configuration object with optional commitment and minContextSlot.

curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlockHeight"}'

getBlockProduction

POST - JSON-RPC

Returns recent block production information for the current or previous epoch.

params[0]object

Configuration object:

  • commitment (string)
  • identity (string) - filter by validator identity
  • range (object) - { firstSlot, lastSlot } to limit range
curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlockProduction"}'

getBlocks

POST - JSON-RPC

Returns a list of confirmed blocks between two specified slots.

params[0]integerrequired

Start slot (u64).

params[1]integer

End slot (u64, optional). Must be no more than 500,000 slots higher than start slot.

params[2]object

Configuration object with optional commitment. Only finalized and confirmed are accepted.

curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlocks","params":[5,10]}'

getBlocksWithLimit

POST - JSON-RPC

Returns a list of confirmed blocks starting from a slot up to a given limit.

params[0]integerrequired

Start slot (u64).

params[1]integerrequired

Limit (u64, max 500,000).

params[2]object

Configuration object with optional commitment. Only finalized and confirmed are accepted.

curl https://rpc.nln.clr3.org \  -H "Content-Type: application/json" \  -H "x-api-key: YOUR_API_KEY" \  -d '{"jsonrpc":"2.0","id":1,"method":"getBlocksWithLimit","params":[5,3]}'