Create a Global Node endpoint for stable, high-throughput access to Arc Testnet.
Ethereum
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Connect to Arc through geo-balanced infrastructure that scales with request volume and routes traffic for reliable access across regions.
Run demanding Arc workloads on isolated infrastructure with predictable resources and greater control over node configuration.
Run high-volume production workloads with flat monthly billing based on your selected requests per second tier.
Keep RPC costs predictable as payment volume, indexing, and onchain settlement traffic grow.
Run Arc workloads on dedicated infrastructure with stable latency, predictable capacity, and isolated resources on Chainstack.
“Chainstack shares some of our fundamental values on privacy and has always been reliable and supportive.”
“We are pleased to collaborate with Chainstack to make the blockchain experience seamless for users and developers.”
“With Chainstack’s full support we’re excited to keep empowering the Arbitrum ecosystem with infrastructure that will continue to provide for the community.”
“Chainstack’s services are the most reliable, cost-effective, and have the support necessary to use as our primary backstop when operating Chainlink nodes.”
“Chainstack saves us time and resources so our team can focus on accelerating product development and delivering a unifying social hub.”
“Chainstack was the obvious choice when it comes to scaling our system and improving performance. We’re delighted by the 5-star support we’ve received.”
“Chainstack has been a game-changer for us. Their platform made it a breeze to integrate more than 5 chains into our protocol, providing unparalleled ease and speed.”
Build and test with managed Arc RPC endpoints designed for sub-second deterministic finality and sustained financial application traffic.
From payments and treasury systems to FX, tokenized assets, analytics, and AI-agent workflows, Chainstack provides reliable access without the operational burden of running Malachite and Reth infrastructure. SOC 2 Type II and ISO 27001 certified.
Deploy and operate Arc nodes with one-click deployment, self-healing, snapshots, and right-sized configurations using Chainstack Self-Hosted.
Go self-hosted
Get isolated infrastructure for production workloads that require predictable resources, advanced configuration, and consistent performance at scale.
Arc separates consensus and execution: Malachite finalizes blocks, Reth executes transactions and exposes a standard Ethereum JSON-RPC interface. Use ethers.js or viem for JavaScript, web3.py for Python. Arc Testnet uses chain ID 5042002 with USDC as native gas — EIP-1559 fee market, minimal or zero priority fee. Blocks ~0.48s, sub-second finality, no reorg after inclusion. Native USDC uses 18 decimals for gas and value transfers; its ERC-20 interface uses 6 decimals for app-level transfers — same underlying balance. Arc supports ERC-4337 account abstraction with bundlers, paymasters, and session keys.
You can also access Arc through the Chainstack MCP server — query onchain data, deploy nodes, and search Chainstack docs from Claude, Cursor, Windsurf, ChatGPT, Codex, Pi, Gemini, or any MCP-compatible or SKILL-compatible AI agent.
AI-ready infrastructure
Refer and earn
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Hyperliquid
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Base
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Sui
Robinhood
