The Gas Coverage API Endpoints allows you to sponsor gas fees for your users, removing the biggest barrier to entry.
What is the Gas Coverage API?
The Gas Coverage API is a set of methods that allow you to sponsor gas for your users' transactions, abstracting away the concept of "gas" from them.
Methods
| Method | Description |
|---|---|
| alchemy_requestGasAndPaymasterAndData | [Start here / Recommended] Requests gas sponsorship and gas estimates for a UserOperation on EVM networks. If approved, returns:1. paymaster and paymasterData2. gas and fee estimates. |
| alchemy_requestPaymasterAndData | [To be deprecated] Requests gas sponsorship for a UserOperation on EVM networks. If approved, returnspaymaster and paymasterData. |
| pm_getPaymasterStubData | Returns stub values to be used in paymaster-related fields of an unsigned user operation for gas estimation on EVM networks. |
| pm_getPaymasterData | Returns values to be used in paymaster-related fields of a signed user operation on EVM networks. These are not stub values and will be included in a signed user operation as part of an eth_sendUserOperation call. |
| alchemy_requestFeePayer | Request gas sponsorship for a transaction on Solana. Returns the serializedTransaction, including the feePayer signature. |