eth_newFilter

POST

/{apiKey}

Creates a filter object based on filter options to notify when state changes (logs).

Path Parameters

stringrequireddefaults to docs-demo

For higher throughput, create your own API key

Request

objectrequired

The filter options object to specify the filter criteria for logs.

Responses

200

A hexadecimal string representing the ID of the created filter.

POST/v2/{apiKey}

curl --request POST \  --url https://polygonzkevm-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "eth_newFilter",  "params": [    {      "fromBlock": "0x137d3c2",      "toBlock": "0x137d3c3",      "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",      "topics": []    }  ]}'

200Success

{  "jsonrpc": "2.0",  "id": 1,  "result": "0x01"}

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