{}
{
    "slot": "333440972",
    "valid": false
}

Authorizations

x-token
string
required

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

Message

blockhash
string
required

The blockhash to check as a base-58 encoded string.

Response

valid
boolean

Whether the blockhash is still valid (true) or expired (false).

{}
{
    "slot": "333440972",
    "valid": false
}