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POST
/
942aad90bb6a082676497030b81e40ba
zkevm_verifiedBatchNumber
curl --request POST \
  --url https://nd-363-550-219.p2pify.com/942aad90bb6a082676497030b81e40ba \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "zkevm_verifiedBatchNumber",
  "params": []
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {}
}
Polygon zkEVM API method that returns the latest verified batch number. In the Polygon zkEVM, transactions are grouped into batches, and each batch is verified using zero-knowledge proofs. A batch is considered verified once its proof has been validated and accepted by the network.
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​
Parameters

  • none

​
Response

  • result — the hexadecimal value of the latest verified batch number that has been added to the Polygon zkEVM network.

​
zkevm_verifiedBatchNumber code examples

const Web3 = require("web3");
const NODE_URL = "YOUR_CHAINSTACK_ENDPOINT";
const web3 = new Web3(NODE_URL);

web3.extend({
    property: 'zkEVM',
    methods: [{
      name: 'verifiedBatchNumber',
      call: 'zkevm_verifiedBatchNumber',
      params: 0,
      inputFormatter: null,
      outputFormatter: null
    }]
  });

async function verifiedBatchNumber() {
  const output = await web3.zkEVM.verifiedBatchNumber()
  console.log(output)
}

verifiedBatchNumber();

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:zkevm_verifiedBatchNumber
​
params
array

Response

200 - application/json

Returns the current verified batch number.

​
jsonrpc
string
​
id
integer
​
result
object
Last modified on May 18, 2026