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 ↗.

NetworkPublic RPC URL
Ethereumhttps://public.stackup.sh/api/v1/node/ethereum-mainnet
Ethereum Sepoliahttps://public.stackup.sh/api/v1/node/ethereum-sepolia
Polygon Mainnethttps://public.stackup.sh/api/v1/node/polygon-mainnet
Polygon Mumbaihttps://public.stackup.sh/api/v1/node/polygon-mumbai
Avalanche-Chttps://public.stackup.sh/api/v1/node/avalanche-mainnet
Avalanche-C Fujihttps://public.stackup.sh/api/v1/node/avalanche-fuji
Optimismhttps://public.stackup.sh/api/v1/node/optimism-mainnet
Optimism Sepoliahttps://public.stackup.sh/api/v1/node/optimism-sepolia
BnB Smart Chainhttps://public.stackup.sh/api/v1/node/bsc-mainnet
BnB Smart Chain Testnethttps://public.stackup.sh/api/v1/node/bsc-testnet
Arbitrum Onehttps://public.stackup.sh/api/v1/node/arbitrum-one
Arbitrum One Sepoliahttps://public.stackup.sh/api/v1/node/arbitrum-sepolia
Basehttps://public.stackup.sh/api/v1/node/base-mainnet
Base Sepoliahttps://public.stackup.sh/api/v1/node/base-sepolia

What’s Next