IsBlockhashValid

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{}

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

Authorizations

x-token

string

required

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

blockhash

string

required

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

valid

boolean

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

{}

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

{}

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