The Bundler APIs are a collection of ERC-4337 compliant JSON-RPC endpoints which makes it possible for users to work with user operations.
Chains Supported
Method | Description | Ethereum | Polygon | Arbitrum | Optimism | Base | Astar | Solana |
---|---|---|---|---|---|---|---|---|
eth_sendUserOperation | Sends a user operation to the given EVM network. | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
eth_estimateUserOperationGas | Estimates the gas values for a UserOperation . | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
eth_supportedEntryPoints | Returns an array of the entryPoint addresses supported by the client. | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
eth_getUserOperationByHash | Return a UserOperation based on a hash (userOpHash ). | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
eth_getUserOperationReceipt | Get the UserOperationReceipt based on the userOpHash value. | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
rundler_maxPriorityFeePerGas | Returns a fee per gas that is an estimate of how much users should set as a priority fee in UOs for Rundler endpoints. | All Networks | All Networks | All Networks | All Networks | All Networks | Unsupported | Unsupported |
What exactly is the Bundler API?
The Bundler APIs are a collection of ERC-4337 compliant JSON-RPC endpoints, making it possible for users to work with user operations.