IsBlockhashValid

Check if a blockhash is still valid on the Solana blockchain using the LaserStream gRPC API.

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).

Empty Request

{}

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