Optimism Launches Actions SDK to Simplify DeFi Integration

🛠️ DeFi integration just got easier

By Optimism
Jan 15, 2026, 3:44 PM
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Optimism has released the Actions SDK Developer Preview, an open-source TypeScript toolkit designed to streamline onchain operations.​

Key Features:

  • Embed wallets and DeFi functionality without complex infrastructure
  • Perform lending, borrowing, swapping, and payments with minimal code
  • Reduces development from weeks to hours and 2000+ lines to just 20 lines
  • Single dependency architecture

The SDK aims to help developers bring fintech applications onchain more efficiently.​ Interested developers can learn more at optimism.​io/learn-more or explore documentation at actions.​optimism.​io.​

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