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Connect to Arbitrum One mainnet and every active testnet with low-latency RPC, full archive data, debug and trace APIs, and real-time Streams. The complete Arbitrum One data stack, managed from a single Quicknode dashboard.
Arbitrum builders need more than basic RPC. Quicknode runs the full surface: low-latency JSON-RPC, full archive with debug and trace, and real-time Streams, all from one dashboard.
Query, subscribe, and stream Arbitrum data with low latency. From a single eth_call to billions of rows of historical logs, you get the right interface for the job.
Six ways to access Arbitrum data, from a single eth_call to billions of rows of queryable history. Pick the interface, ship faster.
Standard JSON-RPC over HTTPS and WSS on Arbitrum One and Sepolia testnet. Every EVM method supported, including eth_call, eth_getLogs, eth_getBalance, eth_sendRawTransaction, and eth_subscribe, with predictable rate limits.
Full historical state with no pruning, plus the deep analysis namespaces. Run debug_traceTransaction and trace_block against Arbitrum archive nodes for indexing, simulation, and trading forensics.
Backfill and real-time Arbitrum blocks, logs, and traces delivered to your datastore with guaranteed reliability. Filter upstream, receive only the data you actually need.
具備傳送保證、重試機制及內建重組處理功能的事件驅動式警示。訂閱特定地址、合約事件或鏈上條件，並即時做出反應。
Fetch a block and all of its transaction receipts in a single call with qn_getBlockWithReceipts. Fewer round trips and faster indexing for trackers, explorers, and analytics on Arbitrum.
Subscribe to new blocks, logs, and pending transactions over a persistent WSS connection with eth_subscribe. Push updates the moment they land, with no polling.
Trailing 24-hour P95 Arbitrum One RPC response time, the slowest 5% of requests, the tail your users actually feel. Averaged across five global regions and measured against the most-cited providers in the category. Lower and flatter is better.
P95 (95th-percentile) JSON-RPC latency over the trailing 24 hours, averaged across five global regions, identical conditions across providers. The full benchmark defaults to a longer window, so its figures will differ.
查看完整基準測試Arbitrum is EVM equivalent, so the tooling you already know works unchanged. ethers.js, web3.js, viem, and web3.py all hit a Quicknode Arbitrum endpoint the same way they hit Ethereum. Same methods, same SDK, just a different RPC URL and chain ID 42161.
Point your existing Ethereum codebase at a Quicknode Arbitrum endpoint and deploy. Contracts, libraries, and tooling carry over.
eth_call, eth_getLogs, eth_sendRawTransaction, and eth_subscribe all behave exactly as they do on Ethereum.
// Your Ethereum code, pointed at Arbitrumimport { createPublicClient, http } from "viem";import { arbitrum } from "viem/chains";const client = createPublicClient({chain: arbitrum,transport: http(QUICKNODE_ARBITRUM_URL)});const block = await client.getBlockNumber();// Same methods, same SDK. Just chain ID 42161.
Open MetaMask, go to Settings, Networks, Add Network, and enter your Quicknode Arbitrum RPC URL with the details on the right. Save, and MetaMask routes through your private Quicknode endpoint instead of a rate-limited public RPC.
Docs, guides, and runnable sample apps for every Arbitrum workload. Clone, customize, and ship.
Full reference for every Arbitrum JSON-RPC method, WebSocket subscription, and the debug and trace namespaces. Code examples for @quicknode/sdk, ethers.js, web3.js, and viem.
Write, compile, and deploy a smart contract on Arbitrum, from setup to your first onchain transaction.
Deploy ERC-20 tokens from a factory contract. Clone the app and ship on Arbitrum.
From your first Arbitrum One endpoint to mission-critical production workloads, Quicknode scales with you. Get started in minutes.
Spin up your Arbitrum One endpoint and ship. The free tier covers prototyping and small production loads, no credit card required.
Dedicated Arbitrum One infrastructure, contractual SLAs, priority support, and procurement-ready terms for wallets, exchanges, trading firms, and high-volume protocols.
「Quicknode 市面上最穩健、低延遲且高效能的節點，具備廣泛的多鏈支援範圍與卓越的技術支援。」Ivan Met, Engineering Manager @ Nansen
常見問題
Still have unanswered questions? Reach out to support and the Quicknode team can help you find answers.
Land transactions on the same Quicknode account. The Ethereum toolchain you already know works unchanged on chain ID 42161.