eth_blockNumber - Optimism

Parameters

none

Returns

QUANTITY - integer of the current block number the client is on.
Request
Curl
Postman
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curl https://opt-mainnet.g.alchemy.com/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_blockNumber","params":[],"id":0}'
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URL: https://opt-mainnet.g.alchemy.com/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_blockNumber",
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"params":[],
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"id":0
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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": "0x41881"
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}
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Optimism API
Alchemy Documentation
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