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POST
/
efb0a5eccd2caa5135eb54eba6f7f300
eth_uninstallFilter
curl --request POST \
  --url https://optimism-mainnet.core.chainstack.com/efb0a5eccd2caa5135eb54eba6f7f300 \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_uninstallFilter",
  "id": 1,
  "params": [
    "0x1a2b3c"
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": true
}
Optimism API method eth_uninstallFilter removes a previously installed filter, stopping further notifications. This method is crucial for managing resources and avoiding unnecessary data processing from filters that are no longer needed.
DisclaimerNote that the default interactive example in this page will not work as the filter will be expired.To test eth_uninstallFilter in this page, first create a new filter using one of the following:Then use the fresh filter ID as the parameter for eth_uninstallFilter.
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​
Parameters

  • filterId — the ID of the filter to be uninstalled. This ID is returned by filter creation methods such as eth_newBlockFilter, or eth_newFilter. For this example, a random value "0x1a2b3c" is used.

​
Response

  • result — a boolean indicating the success of the filter removal. true if the filter was successfully uninstalled; otherwise, false.

​
Use case

The eth_uninstallFilter method is essential for:
  • Applications that dynamically create and remove filters based on user interaction or specific conditions to manage system resources efficiently.
  • Services that need to clean up filters to prevent processing outdated or irrelevant data.
  • Developers who are testing or debugging Optimism filters and need to reset their filter setup.

Body

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

Response

200 - application/json

Success status of filter removal

​
jsonrpc
string
​
id
integer
​
result
boolean
Last modified on August 7, 2025