post https://{network}.g.alchemy.com/v2/
Returns whether a blockhash is still valid or not.
Parameters
blockhash:<base-58 encoded string> - the blockhash of this block<object>- (optional) Config object:commitment:(optional) Configures the commitment level of the blocks queried
Accepts one of the following strings: ["finalized","confirmed","processed"]
For more info, refer to this doc.minContextSlot:(optional)<number> - set the minimum slot that the request can be evaluated at
Returns
<bool>- True if the blockhash is still valid
Example
Request
curl --location --request POST 'https://solana-mainnet.g.alchemy.com/v2/demo/' \
--header 'Content-Type: application/json' \
--data-raw '{
"id": 45,
"jsonrpc": "2.0",
"method": "isBlockhashValid",
"params": [
"J7rBdM6AecPDEZp8aPq5iPSNKVkU5Q76F3oAV4eW5wsW",
{
"commitment": "processed"
}
]
}'
Response
{
"jsonrpc": "2.0",
"result": {
"context": {
"slot": 136103237
},
"value": false
},
"id": 45
}