getConfirmedBlocks RPC Method

Please note that this method is deprecated, no longer available on Devnet and Testnet, and will be removed from Mainnet soon. For a similar method you can use Solana's getBlocks RPC method.

Please note that for this RPC method, block range limits are set to 5 for free accounts and 1005 for all paid accounts, including Starters, Growth, and Business plans.

Parameters

start_slot

string

The start slot encoded as u64, 64-bit unsigned integer

end_slot

string

The end slot encoded as u64, 64-bit unsigned integer

object

array

The configuration object with the following fields:

commitment

string

The level of commitment required for the query. The options include:

finalized

string

The node will query the most recent block confirmed by the supermajority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized

confirmed

string

The node will query the most recent block that has been voted on by the supermajority of the cluster

processed

string

The node will query its most recent block. Note that the block may not be complete

Returns

result

An array of u64 integers listing confirmed blocks between start_slot and either end_slot, if provided, or latest confirmed block, inclusive. The maximum range allowed is 500,000 slots

Request

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curl https://docs-demo.solana-mainnet.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"jsonrpc": "2.0","id":1,"method":"getConfirmedBlocks","params":[94101945, 94101948]}'

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