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eth_chainId

Returns the currently configured chain ID, a value used in replay-protected transaction signing as introduced by EIP-155.
Parameters
None.
Returns
QUANTITY - integer of the current chain ID.
Request example
Curl
Postman
curl https://ethereum.api.watchdata.io/node/jsonrpc?api_key=your_api_key
-X POST \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
URL: https://ethereum.api.watchdata.io/node/jsonrpc?api_key=your_api_key
RequestType: POST
Body:
{
"jsonrpc":"2.0",
"method":"eth_chainId",
"params":[],
"id":1
}
Result
{
"jsonrpc": "2.0",
"id": 1,
"result": "0x89"
}

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