Blocks2 CU

eth_getBlockByNumber on HyperEVM

Fetches a full block by number (or a tag like "latest", "safe", "finalized"). Pass true as the second argument to include full transaction objects, false for hashes only.

The fullTransactions flag is the cost lever — true returns every tx object (large payloads on busy chains), false returns only hashes. Prefer the finalized tag over latest for anything that must survive a reorg.

HyperEVM endpoint (public — no key)

https://rpc.nodeflare.app/hl/public

Method

eth_getBlockByNumber

Cost

2 CU

Chain ID

999

Block time

~1 s (small blocks)

Finality

~1 s

Blocks on HyperEVM

HyperEVM uses a dual-block architecture: small blocks land roughly every second for ordinary transactions, with larger-capacity "big blocks" interleaved about once a minute for heavier deployments. Block numbers advance across both.

Parameters

[blockNumber|tag, fullTransactions:boolean]

cURL

curl https://rpc.nodeflare.app/hl/public \
  -X POST \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}'

ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider(
  'https://rpc.nodeflare.app/hl/public'
);

const result = await provider.send('eth_getBlockByNumber', ["latest", false]);

Try it live

Runs the example above against the public HyperEVM endpoint — straight from your browser.

eth_getBlockByNumber on HyperEVM — FAQ

How do I call eth_getBlockByNumber on HyperEVM?

POST a JSON-RPC 2.0 request with "method": "eth_getBlockByNumber" to NodeFlare's HyperEVM endpoint at https://rpc.nodeflare.app/hl/public. No API key is required for the public endpoint.

What does eth_getBlockByNumber cost on the free tier?

eth_getBlockByNumber is weighted at 2 compute units per call. The free tier includes 2,000,000 CU/month, so that is roughly 1,000,000 eth_getBlockByNumber calls per month — no credit card.

Is eth_getBlockByNumber available on the public HyperEVM endpoint?

Yes. eth_getBlockByNumber works on the public HyperEVM endpoint (https://rpc.nodeflare.app/hl/public) with no API key, rate-limited per IP. A free key adds higher limits and a dedicated path.

Anything HyperEVM-specific to know when using eth_getBlockByNumber?

HyperEVM uses a dual-block architecture: small blocks land roughly every second for ordinary transactions, with larger-capacity "big blocks" interleaved about once a minute for heavier deployments. Block numbers advance across both.

Call eth_getBlockByNumber on HyperEVM with a free key

2,000,000 compute units/month, heavy methods unlocked, every chain included. No credit card.

Get your free API key →