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POST
/
9de47db917d4f69168e3fed02217d15b
getFirstAvailableBlock
curl --request POST \
  --url https://nd-326-444-187.p2pify.com/9de47db917d4f69168e3fed02217d15b \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "getFirstAvailableBlock",
  "params": []
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": 123
}

Documentation Index

Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt

Use this file to discover all available pages before exploring further.

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Solana getFirstAvailableBlock method

The Solana getFirstAvailableBlock method returns the slot of the lowest confirmed block that has not been purged from the ledger. This method provides the earliest block that is still available for retrieval from the ledger. It is useful for determining the range of historical data that is available.
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Parameters

This method does not require any parameters.

​
Response

  • value — the slot of the lowest confirmed block that has not been purged from the ledger.

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Use case

A practical use case for getFirstAvailableBlock is to determine the range of historical data that is available. This can be useful for block explorers, wallets, or other applications that need to display or make use of this information.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:getFirstAvailableBlock
​
params
array

Response

200 - application/json

First available block details

​
jsonrpc
string
​
id
integer
​
result
integer
Last modified on May 18, 2026