eth_newFilter | Alchemy Docs

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

apiKeystringRequiredDefaults to docs-demo

This endpoint expects an object.

FilterobjectRequired

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

A hexadecimal string representing the ID of the created filter.

1	curl -X POST https://base-mainnet.g.alchemy.com/v2/{apiKey} \
2	-H "Content-Type: application/json" \
3	-d '{
4	"jsonrpc": "2.0",
5	"method": "eth_newFilter",
6	"params": [
7	{
8	"fromBlock": "0x137d3c2",
9	"toBlock": "0x137d3c3",
10	"address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
11	"topics": []
12	}
13	],
14	"id": 1
15	}'