Unlock the power of Smart Contract Wallets with Stackup

Stackup makes it easy to build custom web3 transactions flows, instantly create wallets, and bundle transactions.

Blockchain apps, APIs, and wallets all use Stackup as their smart contract account infrastructure
Example social login modal using Stackup

Onboard Users Seamlessly and Keep Them Coming Back

Onboarding new users is a breeze with Stackup. Instantly create wallets using social logins and our frictionless onboarding process on any any EVM blockchain.

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One-click experiences

Simplify Transactions with One-Click Experiences

Stackup's account abstraction infrastructure makes it easy to bundle transactions together, turning complex sequences of transactions into simple one-click experiences for your users.

Discover account abstraction

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Example of web3 games and dapps that use Stackup to turn many complex actions into one click.
Designed for developers

Built for Developers, Loved by Users

Our easy-to-use web3 APIs make it simple to create polished, user-friendly experiences for your users. Plus, our open-source SDK is battle-tested, so you can focus on building your product, not on infrastructure.

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Example code for sending ERC-4337 transactions with Stackup's UserOperation builder and client RPC.
Why Stackup

Why Stackup is the Best Choice for Your Web3 Needs

Instant onboarding

Onboard new users through social logins and frictionless crypto onboardings on any EVM blockchain.

Save infra dev time

Our open-source SDK is battle-tested so you can focus on your tech while we take care of onboarding & transactions.

Sponsored transactions

Use ERC-4337 to bundle transactions together, turning many individual transactions into one simple step for your users.

Pay as you go

User-centric pricing and zero starting cost.

Start for free

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