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​
Parameters

​
chainId
string
default:"232"
required
Unique identifier for a blockchain network.
​
id
number
default:1
required
Request identifier used to match responses.
​
jsonrpc
string
default:"2.0"
required
JSON-RPC version.
​
method
string
default:"zks_L1ChainId"
required
JSON-RPC method name.
This method does not require any parameters.

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Returns

​
result
string
The chain ID of the underlying L1 network, in hexadecimal format. Example: “0x1”.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=232 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "zks_L1ChainId",
    "params": []
  }'

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