eth_blockNumber

OptimismC1

Returns the latest block number the node has imported. Takes no parameters.

Endpoint

POST https://api.1st-node.com/v1/optimism/rpc

Returns

QUANTITY — the current block height, hex-encoded.

Request

curl https://api.1st-node.com/v1/optimism/rpc \
  -H "Authorization: Bearer $ONE_KEY" \
  -H "content-type: application/json" \
  -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_blockNumber",
  "params": []
}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_blockNumber",
  "params": []
}

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x12d4e2a"
}

More blocks methods on Optimism

eth_getBlockByNumber eth_getBlockByHash eth_getBlockReceipts

← Optimism API

Frequently asked

Is this the finalized head?

It's the latest imported block; use the "finalized" tag on block methods if you need finality.

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