Harmony logoHarmony One Shard 0 Mainnet RPC Endpoints

Harmony One Shard 0 Mainnet uses ONE as its native currency. Its Chain ID is 1666600000 (0x63564c40). Below are 5 public RPC endpoints you can use to connect wallets, dApps, and developer tools to Harmony One Shard 0 Mainnet.

Other Harmony Networks:

One Shard 1 Mainnet
How to add Harmony to MetaMask or other wallets →
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Connect via dRPC
BlockchainRPC URLChain IDNative CurrencyBlock ExplorerActions
⏳Harmony

https://harmony-0.drpc.org

0x63564c40ONEhttps://explorer.harmony.one/
⏳Harmony

https://api.harmony.one

0x63564c40ONEhttps://explorer.harmony.one/
⏳Harmony

https://api.s0.b.hmny.io

0x63564c40ONEhttps://explorer.harmony.one/
⏳Harmony

https://harmony-mainnet.chainstacklabs.com

0x63564c40ONEhttps://explorer.harmony.one/
⏳Harmony

https://rpc.swiftnodes.io/rpc/harmony?key=demo

0x63564c40ONEhttps://explorer.harmony.one/

Connect to Harmony One Shard 0 Mainnet with ethers.js

import { ethers } from "ethers";

const provider = new ethers.JsonRpcProvider("https://harmony-0.drpc.org");

const network = await provider.getNetwork();
console.log(network.chainId); // 1666600000n

Harmony One Shard 0 Mainnet FAQ

What is the RPC URL for Harmony One Shard 0 Mainnet?

There are 5 public RPC endpoints for Harmony One Shard 0 Mainnet, including https://harmony-0.drpc.org. See the full list in the table above.

What is the Chain ID for Harmony One Shard 0 Mainnet?

The Chain ID for Harmony One Shard 0 Mainnet is 1666600000 (0x63564c40 in hexadecimal).

What is the native currency of Harmony One Shard 0 Mainnet?

The native currency of Harmony One Shard 0 Mainnet is ONE.

How do I add Harmony One Shard 0 Mainnet to MetaMask?

Use the "Add to Wallet" button on this page to add Harmony One Shard 0 Mainnet to MetaMask automatically, or follow our step-by-step guide for Harmony.