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POST
/
95e61622bf6a8af293978377718e3b77
/
jsonrpc
eth_newFilter
curl --request POST \
  --url https://tron-mainnet.core.chainstack.com/95e61622bf6a8af293978377718e3b77/jsonrpc \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_newFilter",
  "id": 1,
  "params": [
    {
      "address": [
        "cc2e32f2388f0096fae9b055acffd76d4b3e5532",
        "E518C608A37E2A262050E10BE0C9D03C7A0877F3"
      ],
      "fromBlock": "0x989680",
      "toBlock": "0x9959d0",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        null,
        [
          "0x0000000000000000000000001806c11be0f9b9af9e626a58904f3e5827b67be7",
          "0x0000000000000000000000003c8fb6d064ceffc0f045f7b4aee6b3a4cefb4758"
        ]
      ]
    }
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
TRON API method that creates a filter object for receiving event log notifications, providing an Ethereum-compatible interface for monitoring TRON blockchain data.
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​
Parameters

  • jsonrpc — the JSON-RPC protocol version (always “2.0”)
  • method — the method name (always “eth_newFilter”)
  • params — array containing method parameters
    • filterObject — object containing filter criteria including address, fromBlock, toBlock, and topics
  • id — request identifier (number or string)

​
Response

  • jsonrpc — the JSON-RPC protocol version (“2.0”)
  • id — the request identifier that matches the request
  • result — a filter ID (hex-encoded string) for use with other filter methods

​
Use case

The jsonrpc eth_newFilter method is used for:
  • Creating filter objects to receive notifications about new logs that match specific criteria
  • Setting up event monitoring for smart contract interactions through Web3 interfaces
  • Building real-time dApp functionality that responds to blockchain events
  • Implementing efficient event polling systems for transaction monitoring and analytics

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:eth_newFilter
required
​
id
integer
default:1
required
​
params
object[]
required

Response

200 - application/json

Filter ID for use with other filter methods

​
jsonrpc
string
​
id
integer
​
result
string

A filter ID (hex-encoded string) for use with other filter methods

Last modified on November 1, 2025