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eth_newBlockFilter
Creates a filter in the node, to notify when a new block arrives.
To check if the state has changed, call eth_getFilterChanges.

Parameters

None

Returns

QUANTITY - A filter id.

​Example​

Request
Curl
Postman
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curl https://eth-mainnet.alchemyapi.io/v2/your-api-key \
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-X POST \
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-H "Content-Type: application/json" \
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-d '{"jsonrpc":"2.0","method":"eth_newBlockFilter","params":[],"id":0}'
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URL: https://eth-mainnet.alchemyapi.io/v2/your-api-key
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RequestType: POST
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Body:
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{
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"jsonrpc":"2.0",
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"method":"eth_newBlockFilter",
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"params":[],
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"id":73
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}
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Result
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{
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"jsonrpc": "2.0",
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"id": 0,
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"result": "0x9fb7f13924bb605fd29f3ddd6d193ece"
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}
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​

Last modified 2mo ago
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