Alchemy Bundler

Open-source ERC-4337 bundler written in Rust by Alchemy.

Open-source

This link will take you to a third-party site not owned or operated by Alchemy.

What is Alchemy Bundler?

Scale reliably with best-in-class infrastructure powering over 60M+ transactions onchain as the #1 bundler in the ecosystem. Alchemy's Rundler is an open-source ERC-4337 compliant bundler for smart wallets built in Rust for massive scale and reliable performance. Simulate and land transactions onchain while leveraging the power of account abstraction to streamline onboarding and transacting flows for users.

Sponsor gas and bundle user ops in your app or on your chain

Get your API key

Web3 dapps and developer tools related to Alchemy Bundler

Discover blockchain applications that are frequently used with Alchemy Bundler.

Alchemy Bundler

Account abstraction (ERC-4337) bundlers

Open-source ERC-4337 bundler written in Rust by Alchemy.

DedicatedNodes.IO

RPC node providers

Offering high-performance, low-latency blockchain infrastructure, specializing in Solana and Cardano nodes.

o7 Node

RPC node providers

Blazing-fast Solana RPC built for traders and developers with no slowdowns.

Best Account abstraction (ERC-4337) bundlers

Discover more web3 applications and developer tools.

See all dapps

Developer resources from Alchemy

Element.Fi sees massive performance benefits after switching to Alchemy.

Case study

DeFi

Element.Fi sees massive performance benefits after switching to Alchemy.

Best-in-class performance, web3 developer tooling and human-centric support make Alchemy an easy choice for Element.Fi.

Alchemy partners with Fantom Foundation and Sonic Labs

Blog

Partnership

Alchemy partners with Fantom Foundation and Sonic Labs

We're thrilled to announce our partnership with the Fantom Foundation and Sonic Labs. This collaboration brings Alchemy's industry-leading tools and products to developers on Fantom's Opera chain and the upcoming Sonic network.