Stackup is a account abstraction infrastructure for smart accounts, paymasters, bundlers, and gasless UX. It helps Web3 teams work with blockchain applications, smart contracts, wallets, data, and onchain infrastructure using a focused product or developer workflow.

Use it for:

• Sponsor user transactions.
• Build smart account flows.
• Operate bundlers and paymasters.
• Reduce gas and onboarding friction.

Best fit: teams building account abstraction and gasless application experiences.