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Get Started Wallets Rollups Data Node

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zksync ZKSync API Endpoints

zks_L1ChainId

POST

/:apiKey

POST

/v2/:apiKey

1 curl -X POST https://zksync-mainnet.g.alchemy.com/v2/{apiKey} \
2      -H "Content-Type: application/json" \
3      -d '{
4   "jsonrpc": "2.0",
5   "method": "zks_L1ChainId",
6   "params": [],
7   "id": 1
8 }'

200zks_L1ChainId example

1 {
2   "jsonrpc": "2.0",
3   "id": "1",
4   "result": "0x1"
5 }

Retrieves the L1 chain ID.

Path parameters

apiKeystringRequired

Response

The hexadecimal representation of the L1 chain ID.

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