New Here? Claim Your 30% Discount on Your First Blockchain Node Access!

banner image

Last updated on January 1, 1970

1 min read

Method eth_chainId undefined ()
connect with WS protocol

eth_chainId

info-circle-fill

Returns the currently configured chain id, a value used inreplay-protected transaction signing as introduced by EIP-155.

Parameters

-

Request

wscat -c wss://matic.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_chainId",
"params": [],
"id": "getblock.io"}

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0x89"
}
banner icon

Start Building with GetBlock RPCs for Free