eth_chainId

BaseC1

Returns the EIP-155 chain ID of the connected network. Takes no parameters.

Endpoint

POST https://api.1st-node.com/v1/base/rpc

Returns

QUANTITY — the chain ID, hex-encoded.

Request

curl https://api.1st-node.com/v1/base/rpc \
  -H "Authorization: Bearer $ONE_KEY" \
  -H "content-type: application/json" \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_chainId",
  "params": []
}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_chainId",
  "params": []
}

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1"
}

More chain methods on Base

eth_gasPrice eth_maxPriorityFeePerGas eth_feeHistory

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