Public Bundler Endpoints

Want to try ERC-4337 but don't want to use an API key?

Shared RPC URLs


Public RPCs tend to be slow

These endpoints are good for testing, but it may take you longer to get your transaction on-chain.

Click here for a private bundler URL from Stackup β†—.

NetworkPublic RPC URL
Ethereum Sepolia
Polygon Mainnet
Polygon Mumbai
Avalanche-C Fuji
Optimism Sepolia
BnB Smart Chain
BnB Smart Chain Testnet
Arbitrum One
Arbitrum One Sepolia
Base Sepolia

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