Base

eth_chainId5 credits

Returns the chain ID used for signing replay-protected transactions.

Network: base

Parameters

No parameters required (empty params array).

Returns

Type

QUANTITY

Chain ID as hex.

Code examples

curl https://base-mainnet.rpcnode.dev/7c9e6679-7425-40de-944b-e07fc1f90ae7 \
  -X POST \
  -H 'content-type: application/json' \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_chainId",
  "params": []
}'