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Harmony

Harmony (ONE) RPC Nodes APIsConnect your Web3 app to ONE blockchain

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Harmony

ONE
Your free endpoint
key-01

https://go.getblock.io/your-access-token

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Access level

shared

shared

dedicated

dedicated

Networks

Mainnet

APIs & Addons

JSON-RPC

WebSocket

To start building with GetBlock create a free access token in your account

Get access to ONE RPC nodes in a few clicks

Here you can create an Harmony API endpoint for your project. With GetBlock you don’t need to know how to run ONE nodes as they are available for mainnet and testnets.

Harmony RPC method sample

Mainnet height0

eth_blockNumber

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Request

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curl --location --request POST https://go.getblock.io/<ACCESS-TOKEN>--header 'Content-Type: application/json'--data-raw '{"jsonrpc": "2.0","method": "eth_blockNumber","params": [],"id": "getblock.io"}'

Start fast with ONE API

Deploying your DeFi protocol, crypto exchange, or Play-to-Earn application on Harmony has never been easier

  • STEP ONE

    Get an endpoint

    Create an account for free and access 100+ chains

  • STEP TWO

    Start sending requests

    Check out our docs on all available methods

  • STEP THREE

    Manage your connection

    Change packages, switch between networks, add new chains

Trusted by Web3 innovators from all over the world

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Flexible pricing that matches your scale

Grow and scale your business whenever you need it. Try Harmony RPC provider
with the best services and plans

Monthly
Annually

20% OFF

Free

$

0

/ month

50K CU

20 RPS

2 Access Tokens

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All supported chains

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SLA

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Statistics

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Archive shared

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Team account

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Custom AppChains

Starter

$

39

/ month
Save   $10   every month

50M CU

$0.78 / 1M CU

100 RPS

10 Access Tokens

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All supported chains

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24/5 Support

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Statistics

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Archive shared

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Team account

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Custom AppChains

Advanced

$

159

/ month
Save   $40   every month

220M CU

$0.72 / 1M CU

300 RPS

25 Access Tokens

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All supported chains

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24/5 Support

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Statistics

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Archive shared

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Team account

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Custom AppChains

POPULAR CHOICE

Pro

$

399

/ month
Save   $100   every month

600M CU

$0.67 / 1M CU

500 RPS

50 Access Tokens

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All supported chains

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24/7 Support

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Statistics

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Archive shared

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Team account

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Custom AppChains

Enterprise

Starting at:
$

799

/ month
Save   $200   every month

Custom CU

Custom RPS

Custom Access Tokens

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All supported chains

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24/7 Support

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Advanced statistics

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Archive shared

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Team account

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Custom AppChains

Dedicated node

Private server with custom settings

Requests

Unlimited

Rate Limit

Unlimited

Data

Archive

Starting at:

$

1000

/ month
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Harmony Nodes FAQ

  • What is a Harmony node?

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  • How to run a Harmony node?

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  • What is a ONE full node?

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  • What is an RPC in the Harmony network?

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  • How does Harmony API work?

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Harmony RPC: Why should you choose it?

Harmony is the first sharded EVM-compatible blockchain with smart contracts. It was introduced in 2018 by Stephen Tse. Mainnet operations of Harmony nodes kicked off in 2019. The platform raised initial funding through an IEO on Binance Launchpad.

  • Harmony leverages Effective Proof-of-Stake (EPoS) consensus as a way to address the challenges of blockchain trilemma. Unlike in classic PoS systems, it penalizes the validators for getting too much influence.

  • Harmony is also well-known for its developed cross-chain bridges ecosystem. ONE nodes are seamlessly connected to BNB Smart Chain (BNB), Ethereum (ETH), Bitcoin (BTC), and so on.

  • Thanks to the sharding system, Harmony nodes don’t need to store the full history of transactions. In total, there is a limit of 250 validators slots per shard that makes the opportunities for decentralization really impressive.

ONE token is a core native cryptocurrency of this blockchain. Like in many PoS-centric blockchains, ONE serves as a transactions fees payment instrument, governance tool for referendums, as well as staking tokens.

GetBlock Development API:Your perfect gateway to Web3

  • Focus on building with ONE RPC; GetBlock does most of the legwork

    As long as you work with GetBlock’s ONE nodes, you don’t need to spend resources on servers, DevOps teams and so on: we offer ready-made blockchain nodes solutions that can be activated in minutes.

  • Different use cases, different ONE APIs

    Our users can customize their ONE RPC nodes endpoints regardless of their previous experience with GetBlock’s intuitive interface and premium-level customer support.