Polygon RPC Endpoints, API & Dedicated Nodes | OnFinality

Build on Polygon with OnFinality's managed RPC endpoints and dedicated node infrastructure. Polygon is a decentralized Ethereum scaling platform that enables developers to build scalable, user-friendly dApps with low transaction fees without sacrificing security. It combines the best of Ethereum and sovereign blockchains into a full-fledged multi-chain system, benefiting from Ethereum's network effects while providing higher throughput and lower costs.

Why Polygon RPC?

Polygon RPC endpoints allow applications to read blockchain data, submit transactions, and interact with smart contracts. Developers building dApps, wallets, DeFi products, analytics tools, games, bots, or backend services need reliable RPC access to the Polygon network. OnFinality provides both shared API endpoints and dedicated nodes to match your workload requirements.

OnFinality Polygon RPC Features

• Network: Polygon Mainnet (Chain ID 137)
• Protocol: EVM JSON-RPC
• Transport: HTTP and WebSocket
• Advanced Access: Archive and trace support available
• Dedicated Nodes: Deploy your own Polygon node with dedicated resources
• Regions: N. Virginia

When to Use Dedicated Nodes

Dedicated Polygon nodes are ideal for high-throughput production applications, teams requiring guaranteed performance, or workloads that need custom configuration. OnFinality offers dedicated node deployment with monitoring and management, so you can focus on building.

Getting Started

1. Create or sign in to your OnFinality account.
2. Select Polygon from the supported networks list.
3. Create an API endpoint or deploy a dedicated node.
4. Test your endpoint using eth_blockNumber.
5. Monitor request usage, errors, and limits before moving critical traffic.

OnFinality provides analytics and usage visibility for supported plans, helping you scale from development to production.

When to Use Polygon RPC

Choose OnFinality when your team needs Polygon mainnet endpoint access and reliable Polygon JSON-RPC infrastructure for dApps, wallets, DeFi products, analytics, and backend services.

For testnet workflows, use Polygon Amoy RPC. If you are comparing provider requirements, read Polygon RPC endpoints guide.