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POST
/
95e61622bf6a8af293978377718e3b77
/
jsonrpc
eth_newBlockFilter
curl --request POST \
  --url https://tron-mainnet.core.chainstack.com/95e61622bf6a8af293978377718e3b77/jsonrpc \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_newBlockFilter",
  "id": 1,
  "params": []
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
TRON API method that creates a filter object for receiving new block notifications, providing an Ethereum-compatible interface for monitoring TRON blockchain blocks.
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​
Parameters

  • jsonrpc — the JSON-RPC protocol version (always “2.0”)
  • method — the method name (always “eth_newBlockFilter”)
  • params — empty array (no parameters required)
  • 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_newBlockFilter method is used for:
  • Creating filter objects to receive notifications about new blocks as they are mined
  • Building real-time blockchain monitoring applications through Web3 interfaces
  • Implementing block-based event systems for dApps that need to react to new blocks
  • Setting up efficient polling mechanisms for blockchain synchronization and data processing

Body

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

Empty array - no parameters 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 April 15, 2026