Mudassir Khan

EVM chain

Celo — RPC URL, Chain ID, and Wallet Setup

Celo mainnet has chain ID 42220 and uses CELO as its native currency. The official RPC URL is https://forno.celo.org, documentation lives at docs.celo.org, and the block explorer is celoscan.io.

Chain ID 42220Native CELOMainnetVerified 2026-05-15

Quick reference

Copy paste ready values. Verified on 2026-05-15.

Chain name
Celo
Chain ID
42220 (hex 0xa4ec)
Network type
Mainnet
Native currency
Celo (CELO) — 18 decimals
Recommended public RPC
https://forno.celo.org
Block explorer
https://celoscan.io
Official docs
https://docs.celo.org/
Last verified
2026-05-15

Add Celo to MetaMask

One click for injected wallets, or paste the JSON into the manual Add Network form.

{
  "chainIdHex": "0xa4ec",
  "chainName": "Celo",
  "nativeCurrency": {
    "name": "Celo",
    "symbol": "CELO",
    "decimals": 18
  },
  "rpcUrls": [
    "https://forno.celo.org"
  ],
  "blockExplorerUrls": [
    "https://celoscan.io"
  ]
}
Manual steps (no injected wallet)
  1. Open MetaMask, click the network dropdown, then Add Network.
  2. Click "Add a network manually".
  3. Network name: Celo.
  4. New RPC URL: https://forno.celo.org.
  5. Chain ID: 42220.
  6. Currency symbol: CELO.
  7. Block explorer URL: https://celoscan.io.
  8. Save and switch.

Free / public RPC URLs

Public RPC URLs for Celo

These endpoints are free, anonymous, and rate limited. They are useful for development, wallet reads, and one off scripts. For production traffic or indexer workloads, pair them with a paid provider so the public list becomes your fallback rather than your primary.

RPC URLHosted byNotes
https://forno.celo.orgcLabs (official)Recommended in official docs.
https://rpc.ankr.com/celoAnkr
https://celo.drpc.orgdRPC
https://1rpc.io/celo1RPC

Paid RPC providers

Production dapps, indexers, and trading systems should use a managed provider with a private API key, archive history, and an SLA. These providers list Celo support on their public pricing pages.

  • Infura

    ConsenSys backed RPC, deeply integrated with MetaMask.

    Free tier: 6M credits per day, ~2,000 credits per second throughput.

  • QuickNode

    Globally distributed RPC across 50+ chains.

    Free tier: Seven day free trial with full feature access.

  • Ankr

    Public RPC for 80+ chains plus a Premium tier.

    Free tier: Free public endpoints (rate limited) for 80+ chains, no signup required.

  • GetBlock

    Shared and dedicated nodes across 50+ chains.

    Free tier: Free plan with a daily request cap shared across chains.

  • dRPC

    Decentralised RPC across 100+ chains.

    Free tier: Free public endpoints per chain plus a generous metered free tier.

Compare every paid RPC provider →

Block explorers and docs

Celo explorers and documentation

When the answer is real

Caveats and things to verify

  • Celo transitioned from an EVM compatible L1 to an Ethereum L2 using the OP Stack in 2025. Some legacy docs still describe it as an L1.
  • Celo supports paying gas in alternative currencies (cUSD, cEUR). MetaMask defaults to CELO only.

FAQ

Frequently asked questions

What is the Celo chain ID?

Celo mainnet chain ID is 42220 (hex 0xa4ec). The Alfajores testnet is chain ID 44787.

Sources

Other chains in the directory

  • Ethereum

    Chain ID 1 · Native ETH

    The original smart contract platform. Chain ID 1, native ETH.

  • Arbitrum One

    Chain ID 42161 · Native ETH

    Largest Ethereum optimistic rollup. Chain ID 42161, native ETH.

  • OP Mainnet

    Chain ID 10 · Native ETH

    OP Stack flagship rollup. Chain ID 10, native ETH.

  • Base

    Chain ID 8453 · Native ETH

    Coinbase's OP Stack L2. Chain ID 8453, native ETH.

  • Polygon PoS

    Chain ID 137 · Native POL

    Ethereum sidechain with low fees. Chain ID 137, native POL.

  • BNB Smart Chain

    Chain ID 56 · Native BNB

    EVM compatible chain backed by BNB Chain. Chain ID 56, native BNB.

Page maintained by Mudassir Khan · Last verified 2026-05-15.