Bundler API

Use Stackup's nodes to access ERC-4337 bundlers and blockchain nodes

Bundlers 🀝 Nodes

Stackup's bundler endpoint includes methods for both ERC-4337 bundlers and regular blockchain nodes.

You can try the various ERC-4337 endpoints yourself here

Endpoint

https://api.stackup.sh/v1/node/API_KEY

Supported networks

Refer to the table below for network support using Stackup hosted services.

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Need a network not shown below?

Stackup offers dedicated bundlers for any network. Learn more about dedicated infrastructure.

NetworkSupported
Ethereumβœ…
Sepoliaβœ…
Polygonβœ…
Mumbaiβœ…
Avalancheβœ…
Avalanche Fujiβœ…
Optimismβœ…
Optimism Sepoliaβœ…
Binance Smart Chainβœ…
Binance Smart Chain testnetβœ…
Arbitrum Oneβœ…
Arbitrum Sepoliaβœ…
Baseβœ…
Base Sepoliaβœ…