{}
{
    "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
}