# ERC-20 Paymaster

![Landscape](/erc20paymaster.png)

Pimlico's ERC-20 Paymaster is a ERC-4337 paymaster that is able to pay for the gas fees of your users in exchange for ERC-20 tokens.

## Tutorials

Learning-oriented lessons that take you through a series of steps to complete a project. Most useful when you want to get started with Pimlico. They all involve the Alto Bundler.

* [Tutorial 2](/references/permissionless/tutorial/tutorial-2) leverages the ERC-20 Paymaster to sponsor the gas fees for a user operation with USDC.

## How-to Guides

How-to guides are recipes. They guide you through the steps involved in addressing key problems and use-cases. They are most useful when you need a quick solution.

* Learn how to [use the ERC-20 Paymaster, including the relevant RPC methods as part of your app's flow](/guides/how-to/erc20-paymaster/how-to/use-paymaster).

## References

References provide specific technical descriptions. They are most useful when you need detailed information about Pimlico's APIs.

* See the [official contract addresses of the ERC-20 Paymaster on each chain](/references/paymaster/erc20-paymaster/contract-addresses).

## Conceptual Guides

Conceptual guides provide high-level explanations of concepts. They are most useful when you need to understand the big picture.

* Understand more about the [architecture of our ERC20 Paymaster](/references/paymaster/erc20-paymaster/architecture).
* Check out our [FAQs](/references/paymaster/erc20-paymaster/faqs).