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POST
getSlotLeaders
curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getSlotLeaders",
  "params": [
    100,
    10
  ]
}
'
{
  "jsonrpc": "2.0",
  "id": "1",
  "result": [
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP"
  ]
}

Request Parameters

slot
number
required
Starting Solana slot number to begin retrieving the validator schedule from.
slot
number
required
Number of consecutive slots to retrieve the scheduled validator identities for (1-5,000).

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:getSlotLeaders

The name of the RPC method to invoke.

Available options:
getSlotLeaders
Example:

"getSlotLeaders"

params
integer[]

Parameters for specifying the start slot and limit.

Starting Solana slot number to begin retrieving the validator schedule from.

Example:

100

Response

Successfully retrieved slot leaders.

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[]

Ordered sequence of Solana validator identities scheduled for upcoming block production.

Solana validator identity (public key) scheduled as block producer for a specific slot.