How to Add Sonic Network to MetaMask (2026)

You want to use the Sonic network in MetaMask but aren’t sure where to start. You’re not alone — every new EVM chain has the same onboarding friction, and getting the network settings wrong can leave you staring at a stuck wallet.

This guide walks you through everything: what the Sonic network is, how to add it to MetaMask step by step, how to verify your setup is correct, the honest pros and cons, fixes for the most common problems, and the scams to watch out for while you do it.

id=”what-is-sonic”>What Is the Sonic Network?

Sonic is an EVM-compatible layer-1 blockchain — the rebrand and upgrade of the Fantom network that launched in late 2024. If you’re coming from Fantom, the story is straightforward: same community, same tooling, new name, and a rebuilt consensus engine that claims much higher throughput (up to 10,000 transactions per second in ideal conditions) with sub-second finality.

What does that mean for you as a MetaMask user? Practically speaking, Sonic behaves like any other EVM chain you’ve used — Ethereum, BNB Chain, Polygon, and the rest. It runs on the Ethereum Virtual Machine, so your existing MetaMask wallet address works on Sonic exactly as it does everywhere else. You don’t create a new wallet; you add Sonic as another network in the same wallet you already have.

A few facts worth knowing before you connect:

• Native currency: S (pronounced “ess”). This is what you pay gas fees with, and what Sonic dapps expect. It replaced the old FTM token in the rebrand, and FTM holders could migrate to S.
• Chain ID: 146 — you’ll enter this during manual setup, and it’s the single most important number to get right.
• Block explorer: sonicscan.org (type it yourself — never click links from DMs or ads). This is where you can look up transactions, addresses, and tokens on Sonic.
• Bridge: Sonic has a native gateway for moving assets to and from Ethereum and other chains. If you want the background on how bridging works in general, our guide on evaluating bridge trust models is a good primer.

Sonic positions itself as a fast, developer-friendly chain with fee-sharing for developers, which is why you’ve been seeing more DeFi projects deploy there. None of that matters much for the setup process itself — adding it to MetaMask is the same few steps as any network — but it helps to know what you’re connecting to.

Before You Start: What You’ll Need

Get these in place and the whole process takes about five minutes:

1. MetaMask installed and unlocked. The official browser extension or mobile app. If you downloaded MetaMask from anywhere other than the official site, stop and reinstall from the official source — a fake extension will drain your funds. Our Scroll network guide covers the same extension safety checks in detail.
2. Your network settings. You’ll need the Sonic RPC details below. Copy them from a source you trust, and always double-check the chain ID before saving.
3. A small amount of S tokens (for later). You don’t need gas to add the network, but you will need S to do anything on Sonic afterward. You can bridge it over or buy it on an exchange and withdraw to your wallet address.
4. A few minutes of patience. That’s genuinely all the setup takes.

How to Add Sonic Network to MetaMask (Step by Step)

There are two reliable ways to add Sonic: automatically through a chain registry, or manually. The automatic way is faster and less error-prone, so start there.

Method 1: Add Sonic automatically (recommended)

1. Open your browser and go to a chain registry such as chainlist.org — type the address yourself or use a bookmark you already trust.
2. Connect your MetaMask wallet when prompted (this only shares your public address — never your seed phrase).
3. Search for “Sonic” in the search bar.
4. Find the Sonic Mainnet entry and check that its chain ID is 146.
5. Click “Add to MetaMask” and approve the network addition in the MetaMask popup.
6. Click “Switch Network” to make Sonic your active network.

That’s it — Sonic is now in your wallet. The reason this method is safer is that you never type the RPC details yourself, which removes the most common source of mistakes.

Method 2: Add Sonic manually

If the registry isn’t loading or you prefer to enter the details yourself, here’s the manual path:

1. Open MetaMask and click the network dropdown at the top (it probably says “Ethereum Mainnet” or whatever chain you’re on).
2. Click “Add network”, then “Add a network manually”.
3. Fill in the fields exactly as follows:
   • Network name: Sonic Mainnet
   • RPC URL: https://rpc.soniclabs.com
   • Chain ID: 146
   • Currency symbol: S
   • Block explorer URL: https://sonicscan.org
4. Click “Save”. MetaMask will ask if you want to switch to Sonic — confirm.

You should now see S as your balance currency and “Sonic Mainnet” at the top of MetaMask. Your balance will show 0 S until you bridge or transfer tokens over.

How to Verify Your Sonic Setup Is Correct

Adding the network is only half the job. Run through this verification checklist so you know everything is working before you move any real funds:

1. Confirm the chain ID. Go to MetaMask settings → Networks → Sonic Mainnet and check that the chain ID field reads 146. This is non-negotiable.
2. Check the currency symbol. Your balance area should show S, not ETH, FTM, or anything else.
3. Open the block explorer. Click the explorer link in your network settings and confirm it opens a working block explorer. Paste your own wallet address into the explorer’s search bar — it should resolve and show your address (with a zero balance, most likely).
4. Send a tiny test amount first. When you fund the wallet, start with the smallest amount that makes sense — the equivalent of a few dollars. Confirm it arrives in the explorer and shows in MetaMask before moving larger amounts.
5. Try a low-cost interaction. If you’re going to use dapps, first interact with something cheap and reversible. Sonic’s fees are low, which makes testing inexpensive.

This habit — test small, verify on the explorer, then go bigger — applies to every chain you add, not just Sonic. It’s the single best habit in crypto onboarding.

Sonic vs Other EVM Chains: Honest Comparison

Is Sonic worth adding at all? That depends on what you want to do. Here’s how it stacks up against the chains you probably already use:

The honest summary: Sonic’s strengths are speed and low fees, which make it a nice playground for trying DeFi strategies without burning money on gas. Its weakness is ecosystem maturity — fewer dapps, thinner liquidity, and a younger track record than Ethereum or the big L2s. That doesn’t make it bad; it makes it a chain where you should size your positions smaller and do your homework. This is educational context, not a recommendation to use any particular chain.

Common Problems and How to Fix Them

Most Sonic-in-MetaMask issues are the same issues every new network produces. Here’s the fix list:

• “I added Sonic but my tokens don’t show up.” Tokens don’t appear automatically on new networks. Click “Import tokens” in MetaMask, paste the token’s contract address (from the block explorer — type sonicscan.org yourself), and add it. Never trust a contract address from social media or DMs.
• “My balance shows but I can’t transact — ‘insufficient funds for gas.'” You need the native S token for gas, not just any token. Bridge or transfer some S to your address first. Even a tiny amount covers many transactions because fees are low.
• “The network isn’t in the dropdown.” MetaMask sometimes needs a restart of the tab. If the manual add didn’t save, double-check that every field was filled and the chain ID is 146.
• “Transactions are stuck pending.” This is rare on fast chains, but it happens. Open the activity tab, speed up the transaction with a slightly higher gas price, or reset your MetaMask account (Settings → Advanced → Reset Account — this clears transaction history locally and never touches your funds).
• “I sent tokens to the right address but on the wrong network.” This is the painful one. If you sent Sonic-native tokens to your address on Ethereum (or vice versa), recovery depends on the token and the chains involved. It’s sometimes possible with the right tooling and sometimes not — which is exactly why the test-transaction habit from the verification section matters.
• “The RPC is slow or failing.” Public RPC endpoints occasionally have hiccups. You can add an alternative Sonic RPC endpoint in the network settings, or switch temporarily to another endpoint from a reputable provider. Keep the chain ID at 146 regardless of which RPC you use.

Scams and Red Flags to Watch Out For

New chains attract scammers because users are unsure of the “official” details and will trust the first confident-looking source they find. Here’s what to watch for around Sonic:

• Fake “Sonic” tokens and airdrops. Any token claiming to be the “official Sonic airdrop” that you found via an ad or DM is almost certainly a scam. Legitimate distributions don’t require you to connect your wallet to random sites first.
• Phishing sites mimicking the explorer or bridge. Scammers clone block explorers and bridges pixel-for-pixel. Type sonicscan.org and official bridge addresses yourself; bookmark them after your first verified visit.
• “Support” DMs. No legitimate project support will ever DM you first on Telegram, Discord, or X, and no one legitimate will ever ask for your seed phrase. Anyone who does is a scammer, full stop.
• Fake chain-ID networks. As mentioned earlier, a malicious network entry with the wrong chain ID can redirect your transactions. Always verify 146 before saving, and remove any network entry you don’t recognize from your MetaMask network list.
• Clipboard hijackers. Malware that swaps a copied address for the attacker’s address is chain-agnostic. Always visually compare the first and last characters of a pasted address with the intended one before confirming.
• Urgency and “limited” offers. “Sonic mainnet bonus ends in 2 hours” is a pressure tactic. Real networks don’t expire, and real opportunities don’t need countdown timers in a DM.

If something feels off, stop and verify through a second channel — the official documentation, the block explorer, or a trusted community source — before you sign anything. For a broader look at how wallet attacks work, see our emergency guide on what to do if your crypto wallet gets drained.

Frequently Asked Questions

The Bottom Line

Adding the Sonic network to MetaMask is a five-minute job: use a chain registry for the automatic route, or enter the details manually with chain ID 146 and currency symbol S. Verify your setup with a small test transaction before moving real funds, and keep the scam checklist handy — the setup is safe, but the ecosystem around any new chain attracts phishers.

Sonic itself is a fast, low-fee EVM chain worth knowing about if you want cheap on-chain experimentation, though its younger ecosystem means smaller positions and more homework than the majors. Whether you end up using it heavily or just keep it in your network list, you now know how to add it correctly and safely.

This guide is for education only — not financial advice.