Getting test USDC
Get testnet USDC to try wall8.
Get test USDC on a supported testnet to send private transfers.
Circle Faucet
The Circle Faucet covers every CCTP-supported testnet in one place.
→ Open faucet.circle.com
→ Select your chain from the list below → Paste your wallet address → click Send 20 USDC
Tokens arrive in under a minute. Developers can request 20 USDC every 2 hours, per address, per chain.
Per-chain faucets
| Chain | Faucet |
|---|---|
| Ethereum Sepolia | Alchemy Sepolia Faucet |
| Base Sepolia | Alchemy Base Faucet |
| Arbitrum Sepolia | Alchemy Arbitrum Faucet |
| Optimism Sepolia | Alchemy OP Faucet |
| Polygon Amoy | Alchemy Polygon Faucet |
| Unichain Sepolia | Unichain Faucet |
| World Chain Sepolia | World Chain Faucet |
Sei Atlantic-2 and Arc Testnet are only available on the Circle Faucet.
Supported testnets
| Chain | Chain ID | CCTP Domain |
|---|---|---|
| Ethereum Sepolia | 11155111 | 0 |
| Base Sepolia | 84532 | 6 |
| Arbitrum Sepolia | 421614 | 3 |
| Optimism Sepolia | 11155420 | 2 |
| Polygon Amoy | 80002 | 7 |
| Unichain Sepolia | 1301 | 10 |
| World Chain Sepolia | 4801 | 14 |
| Sei Atlantic-2 | 1328 | 16 |
| Arc Testnet | 5042002 | 26 |
Next
Quickstart sends your first private transfer.