How much does the Arbitrum Nova API cost?

Usage is billed in credits. Every account starts with a 14-day free trial of 25,000 credits with no credit card, then Vibe Coding is $10 a month and Professional $250 a month. See pricing.

Do I need to run my own Arbitrum Nova node?

No. GoldRush indexes Arbitrum Nova and serves the decoded data over a REST API, so there is no node to run, sync or maintain.

Can AI agents use Arbitrum Nova data?

Yes. The hosted GoldRush MCP server gives Claude, Cursor and other agents GoldRush tools on your API key, and Agent Skills teach coding agents the endpoints and their parameters.

Which chains does GoldRush support besides Arbitrum Nova?

100+ chains on the same API key, including Ethereum, Base, Arbitrum, Polygon, BNB Smart Chain, Bitcoin and Solana. See all supported chains.

Arbitrum Nova API

Token balances with prices, transaction history and token approvals for any Arbitrum Nova address, indexed from genesis to the latest block, plus JSON-RPC for Arbitrum Nova with archive depth. One API key, no nodes to run.

Get a free API key Read the Arbitrum Nova docs

// Token balances on Arbitrum Nova: 1 credit
const chain = "arbitrum-nova-mainnet";
const address = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045";
const url = "https://api.covalenthq.com/v1/" + chain +
  "/address/" + address + "/balances_v2/";

const key = process.env.GOLDRUSH_API_KEY;
const res = await fetch(url, {
  headers: { Authorization: `Bearer ${key}` },
});
const { data } = await res.json();

for (const token of data.items) {
  // balance, quote (USD value), quote_rate …
  console.log(token.contract_ticker_symbol, token.pretty_quote);
}

Used by EY, Fidelity and Consensys

Read the case studies

Query Arbitrum Nova data

REST endpoints that return decoded, priced Arbitrum Nova data in one call, billed in credits per request. The same key works on every other chain GoldRush supports.

Token balancesEvery token an address holds, with USD prices.1 credit
Paginated transactionsFull transaction history for an address, with decoded logs.0.1 credits per item
Token approvalsOpen approvals for an address, with value at risk.2 credits

Every endpoint supported on Arbitrum Nova

Arbitrum Nova RPC endpoint

Standard eth_*, net_* and web3_* methods plus debug_* and trace_*, with archive depth, drop-in for viem, ethers, web3.js and web3.py. GoldRush routes each call to the best of several upstream providers, from regional edge locations, with a 99.9% production SLA. It uses the same API key and credits as the rest of GoldRush.

Standard: eth_*, net_* and web3_* methods0.01 credits per call
Trace: debug_* and trace_* methods0.015 credits per call

JSON-RPC quickstart Migrate from Infura, Alchemy or Ankr JSON-RPC pricing

// ethers v6, pointed at the GoldRush endpoint
import { ethers } from "ethers";

const url = "https://rpc.goldrushdata.com/v1/arbitrum-nova-mainnet";
const req = new ethers.FetchRequest(url);
const key = process.env.GOLDRUSH_API_KEY;
req.setHeader("Authorization", `Bearer ${key}`);
const provider = new ethers.JsonRpcProvider(req);

console.log(await provider.getBlockNumber());

Arbitrum Nova on GoldRush

GoldRush serves decoded Arbitrum Nova data through one REST API. Network covered: arbitrum-nova-mainnet (chain ID 42170, 5-second blocks), with block explorer data from nova.arbiscan.io. The Foundational API returns token balances, historical transactions and wallet activity, and token approvals data.

arbitrum-nova-mainnetFrontier chain

Chain name: arbitrum-nova-mainnet
Chain ID: 42170
Block time: 5 s
Gas token: ETH

Block explorer: nova.arbiscan.io
Last synced block: Loading...
JSON-RPC endpoint: https://rpc.goldrushdata.com/v1/arbitrum-nova-mainnet

Data last updated Nov 1, 2026. The last synced block refreshes every 5 seconds.

Chain details from the Arbitrum Nova chain reference.

What teams build on Arbitrum Nova

Wallets and portfolio trackers
Show what any Arbitrum Nova address holds, priced in USD, next to its full transaction history.
Crypto wallet API
Crypto tax and accounting
Pull every Arbitrum Nova transaction for a client's addresses and reconcile it into reports.
Tax and accounting data
DeFi dashboards
Track Arbitrum Nova positions, tokens and protocol activity without running an indexer.
DeFi data
Risk and compliance
Review Arbitrum Nova counterparties and their activity before you onboard or pay them.
Risk and compliance data
Analytics and research
Answer questions about Arbitrum Nova wallets and tokens from indexed history instead of raw RPC.
Analytics data
AI agents
Give Claude, Cursor and other agents Arbitrum Nova data through the hosted GoldRush MCP server.
GoldRush MCP server

Start building on Arbitrum Nova

Every account starts with a 14-day free trial: 25,000 credits at 4 requests per second, no credit card. After that, Vibe Coding is $10 a month for prototypes and side projects, and Professional is $250 a month with 50 requests per second for production.

Get a free API key See pricing

Arbitrum Nova FAQ

Yes. https://rpc.goldrushdata.com/v1/arbitrum-nova-mainnet serves Arbitrum Nova JSON-RPC on your GoldRush API key, sent as an Authorization: Bearer header. Standard methods cost 0.01 credits per call and debug and trace methods 0.015. See the JSON-RPC quickstart.