Optimism
Claim free OP Sepolia testnet tokens and start building on Optimism
Powered by Spectrum enterprise-grade infrastructure
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:
Low fees & high throughput
Optimized rollup execution and compression deliver fast confirmations and predictable, low-cost transactions
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
Daily limits apply to each wallet address.
1. Select testnet
2. Follow us
3. Post on X
4. Receive test tokens
Need More Throughput?
If you're testing at scale, Spectrum provides:
Build Faster with Spectrum
Spectrum is the trusted infrastructure partner for thousands of developers across 200+ networks
Ultra-fast RPC
99.99% uptime
Security
Multi-chain
