POST
/
3997273fc956a67dc6982384500e669e
curl --request POST \
  --url https://ronin-mainnet.core.chainstack.com/3997273fc956a67dc6982384500e669e \
  --header 'Content-Type: application/json' \
  --data '{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_chainId",
  "params": []
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}

The eth_chainId method is a simple RPC call that returns the chain ID of the currently connected Ronin network. The chain ID is a critical value used in the EIP-155 standard to prevent replay attacks across different Ethereum networks.

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​
Parameters

  • None

​
Response

  • result - The chain ID of the current network, returned as a hexadecimal number.

​
Use case

Knowing the chain ID is essential for developers when signing transactions, as it ensures that signed transactions are only valid on the intended network. This method provides a straightforward way to programmatically determine the network’s chain ID, which is especially useful in applications that operate across multiple Ronin networks.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:eth_chainId
​
params
any[]

Response

200 - application/json
The chain ID of the current network
​
jsonrpc
string
​
id
integer
​
result
string