Gas & fees1 CU

eth_gasPrice on Arbitrum One

Returns the node's current gas-price estimate in wei. On EIP-1559 chains, prefer eth_maxPriorityFeePerGas plus the block base fee for accurate pricing.

A single legacy number that approximates base+tip and tends to overpay on EIP-1559 chains. For accurate pricing, build maxFeePerGas from the block base fee plus eth_maxPriorityFeePerGas.

Arbitrum One endpoint (public — no key)

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

Method

eth_gasPrice

Cost

1 CU

Chain ID

42161

Block time

~250 ms

Finality

<1 s sequencer · L1-final ~13 min

Gas & fees on Arbitrum One

Arbitrum's sequencer is first-come-first-served: priority fees buy you nothing most of the time. The base fee floors at 0.01 gwei — eth_gasPrice is usually all you need.

Parameters

None.

cURL

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

ethers.js

import { ethers } from 'ethers';

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

const result = await provider.send('eth_gasPrice', []);

Try it live

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

eth_gasPrice on Arbitrum One — FAQ

How do I call eth_gasPrice on Arbitrum One?

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

What does eth_gasPrice cost on the free tier?

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

Is eth_gasPrice available on the public Arbitrum One endpoint?

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

Anything Arbitrum One-specific to know when using eth_gasPrice?

Arbitrum's sequencer is first-come-first-served: priority fees buy you nothing most of the time. The base fee floors at 0.01 gwei — eth_gasPrice is usually all you need.

Call eth_gasPrice on Arbitrum One with a free key

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

Get your free API key →