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Polygon RPC Endpoint & API

Bringing the world to Ethereum

Polygon PoS is an Ethereum scaling network for low-cost, high-throughput DeFi, games, wallets, and consumer applications. Its EVM compatibility lets teams use familiar Ethereum tooling while serving users with fast transactions and lower fees.

Chain ID137

CurrencyPOL

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Public endpoint rate limit: 5 req/sec

Quick Start

Mainnet Amoy

curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://polygon.api.onfinality.io/public'

curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://polygon.api.onfinality.io/public'

HTTPs

https://polygon.api.onfinality.io/public

https://polygon.api.onfinality.io/public

Websocket

wss://polygon.api.onfinality.io/public-ws

wss://polygon.api.onfinality.io/public-ws

Deploy Dedicated Node

Go to Growth Plan

High Performance
Powerful RPC Analytics
Up to 500 rps
No daily response limit
Priority Support
Decentralized Servers

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Polygon RPC details

FIELD

VALUE

Network

Polygon PoS Mainnet

Mainnet Chain ID

137

Native token

POL

Testnet

Polygon Amoy — Chain ID 80002

Transport

HTTPS / WebSocket

Public endpoint

https://polygon.api.onfinality.io/public

WebSocket endpoint

wss://polygon.api.onfinality.io/public-ws

Region

N. Virginia

Archive access

Available

Trace / Debug

Available on paid plans

Public rate limit

5 RPS

Private rate limit

Up to 500 RPS

Service status

Check live status

Independent benchmark

Polygon RPC benchmark

How Bor, Heimdall, and Polygon PoS RPC relate

Polygon PoS separates execution from consensus. Bor is the EVM execution and block-production layer that processes transactions and serves the Ethereum-compatible RPC methods used by applications. Heimdall is the validator and consensus layer that validates Bor blocks, coordinates block producers, and checkpoints Bor state to Ethereum. The Polygon PoS RPC endpoint is the developer-facing gateway to Bor: when an app calls eth_call, eth_getLogs, or submits a transaction, Bor handles the request while Heimdall provides validator coordination, finality, and Ethereum anchoring behind the scenes.

Resources

Additional Info

Build faster with Polygon RPC endpoints

Use OnFinality's Polygon RPC APIs to connect wallets, dApps, dashboards, bots, and backend services without operating your own node from day one.

Public endpoint testing

Start with the Polygon public RPC endpoint for lightweight checks, prototypes, and quick integration tests.

Authenticated API access

Move production traffic to authenticated endpoints when you need clearer limits, analytics, and operational visibility.

Standard RPC methods

Query Polygon blocks, transactions, balances, events, and chain state through HTTP and WebSocket workflows.

Operate Polygon infrastructure with more control

Production teams need more than an endpoint URL. They need observability, predictable capacity, and a path from shared RPC access to isolated infrastructure.

Request visibility

Track usage patterns and response activity so your team can understand traffic growth before it becomes an incident.

Dedicated node path

Use dedicated Polygon nodes when your workload needs isolated resources, custom operations, or stronger capacity planning.

Archive and historical data

Plan for archive access when analytics, audits, indexers, or advanced app features need older Polygon state.

Choose the right Polygon RPC setup

Different Polygon products need different infrastructure. OnFinality gives teams a practical path from public RPC testing to production-grade API and node operations.