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​
Parameters

​
chainId
string
default:"30"
required
Unique identifier for a blockchain network.
​
id
number
default:1
required
Request identifier used to match responses.
​
jsonrpc
string
default:"2.0"
required
JSON-RPC version.
​
method
string
default:"eth_getFilterChanges"
required
JSON-RPC method name.
​
params
object
required
Parameters for eth_getFilterChanges: [filterId].Positional parameters for eth_getFilterChanges:
  • params[0]: The filter ID as a hex quantity (e.g., “0x16” for 22).

​
Returns

​
result
array
Array of log objects, or an empty array if nothing has changed since last poll.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=30 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getFilterChanges",
    "params": [
      "0x16"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "logIndex": "0x1",
      "blockNumber": "0x1b4",
      "blockHash": "0x8216c5785ac562ff41e2dcfdf5785ac562ff41e2dcfdf829c5a142f1fccd7d",
      "transactionHash": "0xdf829c5a142f1fccd7d8216c5785ac562ff41e2dcfdf5785ac562ff41e2dcf",
      "transactionIndex": "0x0",
      "address": "0x16c5785ac562ff41e2dcfdf829c5a142f1fccd7d",
      "data": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "topics": [
        "0x59ebeb90bc63057b6515673c3ecf9438e5058bca0f92585014eced636878c9a5"
      ]
    }
  ]
}