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Polis Testnet

Add Polis Testnet to Your Wallet — MetaMask, OKX, Rabby, Trust Wallet

Testnet
Chain ID: 333888·Symbol: tPOLIS

Polis Testnet is an EVM-compatible blockchain with Chain ID 333888 and native token tPOLIS. This page lets you add Polis Testnet to MetaMask, Rabby Wallet, OKX Wallet or Trust Wallet in one click — no manual Chain ID or RPC entry required.

RPC Endpoints
https://sparta-rpc.polis.tech

What is Polis Testnet?

Polis Testnet is an EVM (Ethereum Virtual Machine) compatible blockchain network. Any EVM wallet — MetaMask, Rabby, OKX Wallet, Trust Wallet, Coinbase Wallet — can connect and transact on Polis Testnet once you add the network configuration.

Why do you need to add Polis Testnet to your wallet?

MetaMask and most wallets only come pre-configured with Ethereum Mainnet. To transact, swap tokens, or use dApps on Polis Testnet, you need to add the network first. Entering an incorrect Chain ID or RPC can put your assets at risk. Use the "Add to wallet" button above — data sourced directly from chainid.network, the canonical Ethereum chain registry.

How to add Polis Testnet to your wallet

  1. 1

    Click Add to wallet

    Press the "Add to wallet" button above. MetaMask, OKX Wallet, Rabby Wallet or Trust Wallet will show a popup asking you to confirm adding the Polis Testnet network.

  2. 2

    Confirm in your wallet

    Your wallet shows the Polis Testnet network details: Chain ID 333888, native token tPOLIS. Verify the Chain ID is correct, then click "Approve" or "Add Network".

  3. 3

    Switch to the new network

    After confirming, your wallet automatically switches to Polis Testnet. You can start transacting right away — you will need tPOLIS to pay gas fees.

Polis Testnet network technical details

To add manually, go to Settings → Networks → Add Network in MetaMask (or your wallet's equivalent) and enter the details below:

NamePolis Testnet
Chain ID333888
Native tokentPOLIS
Decimals18
RPC Endpointhttps://sparta-rpc.polis.tech

Important notice

  • •Always verify Chain ID 333888 before confirming — attackers sometimes create fake networks with similar names but different Chain IDs
  • •You need tPOLIS tokens in your wallet to pay gas fees for transactions on Polis Testnet
  • •Data on this page is sourced from chainid.network — the community-verified Ethereum chain registry
  • •If the "Add to wallet" button doesn't work, your wallet may not support wallet_addEthereumChain — add the network manually using the details below

Frequently asked questions

Is it safe to add Polis Testnet to MetaMask?▾
Yes, if you use the "Add to wallet" button on this page. Data is sourced from chainid.network — the community-audited Ethereum registry. Adding a network does not expose your private key or grant any permissions to the dApp.
What is Polis Testnet Chain ID?▾
The Chain ID of Polis Testnet is 333888. This unique number identifies the network and prevents MetaMask and other EVM wallets from mixing up transactions across different chains.
Do I need tPOLIS tokens to use Polis Testnet?▾
Yes. Every transaction on Polis Testnet requires tPOLIS to pay gas fees. You can purchase tPOLIS on exchanges and bridge it to Polis Testnet, or use a faucet if this is a testnet.
What is the Polis Testnet RPC endpoint?▾
An RPC endpoint is the server address your wallet uses to communicate with the Polis Testnet blockchain — sending transactions, reading balances, and checking state. One popular Polis Testnet RPC is https://sparta-rpc.polis.tech. This page shows live latency for each RPC so you can pick the fastest one.
My wallet says Polis Testnet already exists when I click Add — what do I do?▾
That's completely normal. If Polis Testnet is already in your wallet, it will simply switch to that network instead of adding a duplicate — no error or conflict.
I added Polis Testnet but the network won't load — what's wrong?▾
The most common cause is a broken or overloaded RPC endpoint. Your wallet uses RPC to connect to the blockchain — if the RPC is down, the network won't load even if it was added correctly. Fix: copy a different RPC from the list above (prefer green low-latency ones), then go to Settings → Networks in your wallet and replace the old RPC with the new one. Watch the tutorial video above for step-by-step instructions on updating your RPC.