Low fees & high throughput
Optimized rollup execution and compression deliver fast confirmations and predictable, low-cost transactions
Optimism testnet faucet
Claim free OP Sepolia testnet tokens and start building on Optimism
Powered by Spectrum enterprise-grade infrastructure
Optimism
Claim readyWallet address
0x1a2b…9f4cClaim
- 1Select testnet
- 2Follow us
- 3Post on X
- 4Receive test tokens
About the Optimism Faucet
The Spectrum Optimism faucet provides developers with free test tokens for deploying smart contracts, running integrations, and end-to-end QA on the Optimism testnet. The faucet is rate-limited to ensure fair distribution and support builders, not bot
Why Optimism?
Optimism is an enterprise finance network focused on:
EVM-native developer experience
Works with Solidity and mainstream tooling (Hardhat, Foundry, Remix) and popular wallets—ship faster with familiar stacks
Superchain interoperability
Built on OP Stack with seamless paths to Superchain apps, bridges, and shared tooling for modular, scalable architectures.
How to claim
Four steps, no KYC. Daily limits apply to each wallet address.
Select testnet
Pick the network you are building on and the wallet address to fund.
Follow us
Follow Spectrum on X so we can verify the claim is coming from a builder.
Post on X
Share the prefilled post. It takes a second and keeps the faucet free of bots.
Receive test tokens
Tokens land in your wallet in seconds, ready to spend on gas.
Need more throughput?
If you are testing at scale, the faucet is only the start. Spectrum runs the production infrastructure behind it.
Premium RPCPrivate load tiersSLAs
Spectrum is the trusted infrastructure partner for thousands of developers across 200+ networks.
Low-latency RPC99.99% uptimeSecurityMulti-chain
Frequently asked questions
Everything you need to know about building on Spectrum. Can't find an answer?
Talk to our teamOur Optimism Faucet provides developers with free OP Sepolia testnet ETH tokens to cover gas fees for deploying, testing, and optimizing smart contracts in mainnet-like conditions without spending real money.
Free tier users can claim 0.1 ETH from the faucet every 24 hours. This limit helps prevent abuse and ensures fair access for all users. Higher limits apply to paid users.
Any Ethereum-compatible wallet configured for the OP Sepolia testnet works, such as MetaMask, WalletConnect, or Coinbase Wallet. Ensure your wallet address is valid for OP Sepolia before claiming.
No, these are testnet OP Sepolia ETH tokens with no real-world monetary value. They mimic mainnet ETH solely for development, testing, and gas fees on the OP Sepolia network.
No, you do not need assets from other networks first for our OP Sepolia faucet claim.
Standard claims are limited to 0.1 ETH every 24 hours to maintain faucet sustainability. For higher limits, contact support via the faucet dashboard or consider alternative faucets with different policies.
No KYC is required. Claims only need an X post, wallet address, and agreement to Spectrum's terms. No identity verification is needed.
Get started
Deploying on Optimism? Scale with Spectrum.
Create a free account, grab an API key, and move from testnet to production on infrastructure we own and operate.
No credit card required · Free tier included