post https://eth-mainnet.g.alchemy.com/v2/
Requests gas and coverage for a UserOperation
. Returns paymasterAndData
and gas parameters if approved, errors if not. Optionally accepts fee parameter overrides to be used in the UserOperation
.
Network Support
Chain | Mainnet | Testnet |
---|---|---|
Ethereum | ![]() | ![]() |
Polygon | ![]() | ![]() |
Arbitrum | ![]() | ![]() |
Optimism | ![]() | ![]() |
Base | ![]() | ![]() |
Note
We offer the ability to override our fee estimates with the feeOverride
parameters. This param does not include preVerificationGas (PVG) . The method will always increase the estimated PVG by 5% to give the UO a better chance to mine if the L1 /L2 fee ratio changes. If you would like to modify this value, its recommended you use alchemy_requestPaymasterAndData instead.