API Reference

slotSubscribe

Subscribe to receive notification anytime a slot is processed by the validator.

📘

Note:

Credits are charged based on the number of pushes; each push consumes 35 Credits.

Parameters

None

Responses

<integer> - Subscription id (needed to unsubscribe).

Examples

Example Requests

{ "jsonrpc": "2.0", "id": 1, "method": "slotSubscribe" }

Example responses

{ "jsonrpc": "2.0", "result": 0, "id": 1 }

Notification Format

The notification will be an object with the following fields:

  • parent: <u64> - The parent slot
  • root: <u64> - The current root slot
  • slot: <u64> - The newly set slot value
{
  "jsonrpc": "2.0",
  "method": "slotNotification",
  "params": {
    "result": {
      "parent": 75,
      "root": 44,
      "slot": 76
    },
    "subscription": 0
  }
}