{}
{
  "slot": "333390974",
  "blockhash": "CiqX6nU67eVCFqxh6TJ3LF8bDqjtnD2wULRMME917QSY",
  "last_valid_block_height": "311630163"
}

Laserstream is currently in private beta and not yet publicly available. Access is limited, and some features may still be under development.

Authorizations

x-token
string
required

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

Message

This method takes an empty request and returns the latest blockhash and its corresponding last valid block height.

{}

Response

slot
string

The current slot number.

blockhash
string

The latest blockhash as a base-58 encoded string.

last_valid_block_height
string

The last block height at which the returned blockhash will be valid.

{
  "slot": "333390974",
  "blockhash": "CiqX6nU67eVCFqxh6TJ3LF8bDqjtnD2wULRMME917QSY",
  "last_valid_block_height": "311630163"
}