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Supported ChainsFlow EVM GatewayJSON-RPC APISmart Contract Methods

eth_newPendingTransactionFilter - Flow EVM RPC Method

Create pending transaction filter on Flow EVM Gateway. Monitor mempool activity.

Creates a filter on Flow EVM Gateway to notify when new pending transactions arrive.

Request Parameters

Request

This method accepts no parameters.

Response Body

Response
resultQUANTITY

Filter ID

Code Examples

Bash
curl -X POST https://api-flow-evm-gateway-mainnet.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_newPendingTransactionFilter",
    "params": [],
    "id": 1
  }'
JavaScript
import { JsonRpcProvider } from 'ethers';

const provider = new JsonRpcProvider('https://api-flow-evm-gateway-mainnet.n.dwellir.com/YOUR_API_KEY');

const filterId = await provider.send('eth_newPendingTransactionFilter', []);

// Poll for pending transactions
const pendingTxs = await provider.send('eth_getFilterChanges', [filterId]);
console.log('Pending transaction hashes:', pendingTxs);

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