chain_subscribeFinalizedHeads {disallowed} - Polkadot

Example code for the chain_subscribeFinalizedHeads {disallowed} json-rpc method. Сomplete guide on how to use chain_subscribeFinalizedHeads {disallowed} json-rpc in GetBlock.io Web3 documentation.

Parameters

-

Request

curl --location --request POST 'https://dot.getblock.io/mainnet/' 
--header 'x-api-key: YOUR-API-KEY' 
--header 'Content-Type: application/json' 
--data-raw '{"jsonrpc": "2.0",
"method": "chain_subscribeFinalizedHeads",
"params": [],
"id": "getblock.io"}'

Response

{
    "result": "null",
    "id": "getblock.io",
    "status_code": 405,
    "message": "Method not allowed"
}