getSlotLeader

Returns the validator currently producing blocks as Solana’s slot leader, identified by its 32-byte public key — useful for leader-aware transaction routing and validator monitoring.

POST /

getSlotLeader

cURL

curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getSlotLeader",
  "params": [
    {
      "commitment": "finalized"
    }
  ]
}
'

200

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": "ENvAW7JScgYq6o4zKZwewtkzzJgDzuJAFxYasvmEQdpS"
}

Request Parameters

commitment · string

The commitment level for the request.

• confirmed
• finalized
• processed

minContextSlot · number

The minimum slot that the request can be evaluated at.

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: getSlotLeader

The name of the RPC method to invoke.

Available options: getSlotLeader

Example:

"getSlotLeader"

params · object[]

Optional configuration object.

Show child attributes

Response

200

application/json

Successfully retrieved the slot leader.

jsonrpc · enum<string>

The JSON-RPC protocol version.

Available options: 2.0

Example:

"2.0"

id · string

Identifier matching the request.

Example:

"1"

result · string

The Solana validator identity (public key) scheduled as block producer for this slot.

Example:

"ENvAW7JScgYq6o4zKZwewtkzzJgDzuJAFxYasvmEQdpS"