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POST
minimumLedgerSlot
curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "minimumLedgerSlot"
}
'
{
  "jsonrpc": "2.0",
  "id": "1",
  "result": 1234
}

Authorizations

​
api-key
string
query
required

Your Helius API key. You can get one for free in the dashboard.

Body

application/json
​
jsonrpc
enum<string>
default:2.0

The JSON-RPC protocol version.

Available options:
2.0
Example:

"2.0"

​
id
string
default:1

A unique identifier for the request.

Example:

"1"

​
method
enum<string>
default:minimumLedgerSlot

The name of the RPC method to invoke.

Available options:
minimumLedgerSlot
Example:

"minimumLedgerSlot"

​
params
array

No parameters are required for this method.

Response

Successfully retrieved the minimum ledger slot number.

​
jsonrpc
enum<string>

The JSON-RPC protocol version.

Available options:
2.0
Example:

"2.0"

​
id
string

Identifier matching the request.

Example:

"1"

​
result
integer

Lowest Solana slot number still maintained in this validator's state replay buffer, providing the minimum boundary for chain reconstruction.

Example:

1234