eth_blockNumber: parameters, returns and CU

Summary

Return the number of the latest block known to the node.

Compute units (CU) and pricing

Parameters

This method takes no parameters.

Returns

• Type: QUANTITY
• Description: Latest block number as a 0x-prefixed hexadecimal quantity.

Notes

The result reflects the node's current head and moves as new blocks arrive; it does not imply that the block is final.

Request example

export BLOCKVECTRA_API_KEY=rgw_your_api_key

curl -X POST "https://api.blockvectra.com/v1/robinhood_mainnet" \
  -H 'Content-Type: application/json' \
  -H "x-api-key: $BLOCKVECTRA_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_blockNumber",
    "params": [],
    "id": 1
  }'

Supported chains

Related references

• JSON-RPC Error Codes
• Method Policy
• All JSON-RPC Methods