Arbitrum Nova

GetBlock provides fast and reliable access to Arbitrum Nova nodes via JSON-RPC API. Connect to the Arbitrum Nova network without running your own infrastructure.

Arbitrum Nova is an EVM-compatible Layer 2 built on the Arbitrum Nitro stack. Unlike a full rollup, Nova is an AnyTrust chain: transaction data availability is attested by a Data Availability Committee rather than posted in full to Ethereum L1, which lowers fees and suits high-throughput applications such as gaming and social. It settles to Ethereum L1 and secures execution with interactive fraud proofs, falling back to rollup-style data posting if the committee is unavailable. Because Nova is EVM-compatible, standard Ethereum contracts, JSON-RPC methods, and tooling such as Foundry, Hardhat, Ethers.js, and Viem work without modification, alongside Arbitrum precompiles such as ArbSys and ArbGasInfo. Native gas is paid in ETH.

Key Features

• EVM Compatibility: Standard Ethereum contracts, JSON-RPC, and tooling run unchanged on the Nitro stack

• AnyTrust Data Availability: A Data Availability Committee attests to data, cutting costs versus full-rollup calldata posting

• Interactive Fraud Proofs: Execution is secured by Nitro's fraud-proof system with settlement on Ethereum L1

• Arbitrum Precompiles: Chain-specific precompiles including ArbSys (0x64), ArbGasInfo (0x6C), and NodeInterface

• Ethereum Tooling: Compatible with MetaMask, Foundry, Hardhat, Remix, Ethers.js, and Viem

• ETH Gas: Native gas is paid in ETH; the fee includes an L2 execution component and an L1 data component

TECHNICAL DISCLAIMER: AUTHORITATIVE JSON-RPC API SPECIFICATION.

GetBlock's RPC API reference documentation is provided exclusively for informational purposes and to optimize the developer experience. Arbitrum Nova implements the standard Ethereum JSON-RPC interface; the canonical specification for these methods is the Ethereum JSON-RPC specification at ethereum.org, and Arbitrum-specific behavior is documented at docs.arbitrum.io.

Network Information

Property	Value
Network Name	Arbitrum Nova
Chain ID	42170
Native Currency	ETH
EVM Compatible	Yes (Arbitrum Nitro)
Data Availability	AnyTrust (Data Availability Committee)
Settlement Layer	Ethereum L1
Block Time	Sub-second (~0.25s)
Finality	L1-backed after the challenge window

Base URL

Frankfurt, Germany

https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/

Supported Networks

Network	Chain ID	JSON-RPC	WSS	GraphQL	MEV protected (WebSocket)	MEV protected (JSON-RPC)	Frankfurt, Germany	New York, USA	Singapore, Singapore
Nova	42170	✅	✅	❌	❌	❌	✅	❌	❌

Quickstart

Javascript(Axios)

1

Setup project

mkdir arbitrum-nova-quickstart && cd arbitrum-nova-quickstart && npm init --yes

2

Install dependency

npm install axios

3

Add code

index.js

const axios = require('axios');

const url = 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/';

const payload = {
  jsonrpc: '2.0',
  method: 'eth_blockNumber',
  params: [],
  id: 'getblock.io'
};

axios.post(url, payload, {
  headers: { 'Content-Type': 'application/json' }
})
.then(response => {
  console.log('Latest block:', parseInt(response.data.result, 16));
})
.catch(error => console.error(error));

4

Run the script

node index.js

5

Response

{
    "jsonrpc": "2.0",
    "result": "0x51528e0",
    "id": "getblock.io"
}

Python(Request)

1

Setup project

mkdir arbitrum-nova-quickstart && cd arbitrum-nova-quickstart
python -m venv venv && source venv/bin/activate

2

Install dependency

pip install requests

3

Add code

main.py

import requests
import json

url = "https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_blockNumber",
    "params": [],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

4

Run the script

python main.py

Available API Methods

Chain & Client Info

Method	Description
web3_clientVersion	Client software version identifier
web3_sha3	Keccak-256 hash of hex-encoded data
net_version	Network ID as a decimal string
eth_chainId	Chain ID per EIP-155
eth_blockNumber	Current chain tip block number
eth_syncing	Sync status, or false if fully synced

Gas & Fees

Method	Description
eth_gasPrice	Legacy gas price estimate in wei
eth_maxPriorityFeePerGas	Suggested EIP-1559 priority fee in wei
eth_blobBaseFee	Current blob base fee for EIP-4844 transactions
eth_feeHistory	Historical base fees and priority-fee percentiles

Account & State

Method	Description
eth_getBalance	ETH balance of an address at a given block
eth_accounts	Accounts owned by the client
eth_getStorageAt	Value at a specific contract storage slot
eth_getTransactionCount	Address nonce (transaction count)
eth_getCode	Deployed bytecode at an address
eth_getProof	Merkle-Patricia proof for account and storage

Blocks

Method	Description
eth_getBlockByHash	Block data by block hash
eth_getBlockByNumber	Block data by block number or tag
eth_getBlockTransactionCountByHash	Transaction count in a block, by hash
eth_getBlockTransactionCountByNumber	Transaction count in a block, by number
eth_getBlockReceipts	All transaction receipts for a block

Transactions

Method	Description
eth_getTransactionByHash	Transaction data by transaction hash
eth_getTransactionByBlockHashAndIndex	Transaction by block hash and index
eth_getTransactionByBlockNumberAndIndex	Transaction by block number and index
eth_getTransactionReceipt	Transaction receipt with status, gas, and logs

Execution & Simulation

Method	Description
eth_call	Execute a message call without a transaction
eth_estimateGas	Estimate gas required to execute a transaction
eth_createAccessList	Compute an EIP-2930 access list for a transaction
eth_simulateV1	Simulate a bundle of transactions against a block

Filters & Logs

Method	Description
eth_newFilter	Create a log filter with address and topic criteria
eth_newBlockFilter	Create a filter for new block hashes
eth_newPendingTransactionFilter	Create a filter for pending transaction hashes
eth_uninstallFilter	Remove a previously created filter
eth_getFilterChanges	Poll new entries for a filter since the last poll
eth_getFilterLogs	Get all logs matching a log filter
eth_getLogs	Query logs matching criteria in one call

Transaction Submission

Method	Description
eth_sendRawTransaction	Submit a signed transaction to the network

WebSocket Subscriptions

Method	Description
eth_subscribe	Subscribe to newHeads, logs, newPendingTransactions, or syncing
eth_unsubscribe	Cancel an active subscription

RPC Module Discovery

Method	Description
rpc_modules	List available RPC modules and their versions

Debug & Trace

Method	Description
debug_accountRange	Enumerate accounts from the state trie
debug_batchSendRawTransaction	Submit multiple signed transactions in one call
debug_getBadBlocks	List recently rejected invalid blocks
debug_storageRangeAt	Enumerate storage slots of a contract
debug_traceBlock	Trace execution of a block by RLP
debug_traceBlockByHash	Trace all transactions in a block by hash
debug_traceBlockByNumber	Trace all transactions in a block by number
debug_traceCall	Trace a simulated message call
debug_traceTransaction	Trace execution of a mined transaction

Support

For technical support and questions:

• Support: [e-mail]

See Also

• Arbitrum Documentation

• Ethereum JSON-RPC Specification

• Arbitrum Nova Explorer (Arbiscan)

• Arbitrum Bridge

• Arbitrum Website