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Best Polkadot RPC Nodes, APIs and Blockchain Node Hosting

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The multichain vision for Web3 starts here.

Connect in seconds to Polkadot via OnFinality's elastic API with a high availability of 99.99% uptime per year. Deploy full, validator, and archive Polkadot nodes quickly and easily on our globally distributed, multi-cloud, one-click node solution. Use OnFinality's Lightning Restore to fully-sync your nodes in seconds instead of days!

The multichain vision for Web3 starts here.

API Service

API Features

ArchiveTrace

API Based In

Hong KongFranceN.Virginia

Dedicated Nodes

Node Type

FullArchiveValidator

Lightning Restore

FranceN.VirginiaHong Kong

Node Endpoints

JSON-RPCWebSocketsMetrics

Polkadot unites and secures a growing ecosystem of specialized blockchains called parachains. Apps and services on Polkadot can securely communicate across chains, forming the basis for a truly interoperable decentralized web.

Polkadot Public Endpoint

The below example uses the public API endpoint*. This endpoint is only suitable for testing. To avoid rate limiting and service interruption, sign up now to get your own API key.
Open In Polkadot JS
curl -H "Content-Type: application/json" -d '{"id":1, "jsonrpc":"2.0", "method": "chain_getBlock"}' 'https://polkadot.api.onfinality.io/public'
https://polkadot.api.onfinality.io/public
wss://polkadot.api.onfinality.io/public-ws

* The public endpoint is rate limited

API SERVICE
Unlimited requests, high rate limits
Powerful API analytics
99.99% uptime
Connect via HTTPS or websocket
Decentralised servers hosted globally
Full archive access at no extra cost
PRICING

Calculate Your Costs

Only pay for what you need.

Monthly Response Units
0100M200M300M400M
Total Cost
Free/ Monthly

Recommended Plan: Developer

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DEDICATED NODE
Sync chain state in seconds with Lightning Restore
Full control over your node
Extensive suite of monitoring tools
Pay-as-you-go flexibility
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Latest Polkadot Updates!

OnFinalityJul 29,2025

How to run a Polkadot Validator Node on OnFinality

In this How-To Guide, you will learn how to set up your own Validator for Polkadot, which will enable you to start staking and earn rewards on the network. This guide should be used alongside the official Polkadot guide which is kept up to date and more detailed.

Read More

OnFinalityJul 01,2025

Monitoring the best RPC Endpoints in Web3 with CompareNodes | OnFinality

CompareNodes gives OnFinality the confidence that our services are performing to the high standards we set for ourselves. Being able to independently reproduce, verify, and share test results in just 30 seconds has been invaluable to both our engineering and customer teams.

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OnFinalityJun 06,2025

Understanding Polkadot’s System Chains

System chains are specialised Parachains that handle core protocol functions, offloading work from the Relay Chain to improve overall network performance. By moving key logic to these chains, Polkadot leverages its parallel execution architecture to scale efficiently. 

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