
Pimlico Paymaster
Pimlico Paymaster is an ERC-4337 compliant paymaster service that sponsors onchain gas fees for users.

What is Pimlico Paymaster?
Pimlico Paymaster is an ERC-4337 compliant paymaster service that provides two types of paymasters, Verifying and ERC-20, to abstract away gas fees for users. The Verifying Paymaster allows developers to load an off-chain Pimlico balance through their dashboard and sponsor onchain gas fees for users on 100+ chains. The ERC-20 Paymaster is a permissionless on-chain smart contract that lets users pay for their own gas fees using their ERC-20 tokens.
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Developer resources from Alchemy

What are Paymasters? (ERC-4337)
Learn the Function of Paymaster Smart Contracts in ERC-4337

Custom gas tokens: how to use ERC-20 tokens for transaction fees
Learn how Custom Gas Tokens let users pay transaction fees with your ERC-20 token instead of ETH. Complete guide covering implementation approaches, economic considerations, and real-world case studies.

How Friendzone uses gas sponsorship to increase transactions by 300%
Sponsoring gas for new users allowed Friendzone to drive a 300% increase in the number of transactions in their app and enabled them to onboard over 6,000 unique users.
Pimlico Paymaster alternatives
Explore web3 competitors and apps like Pimlico Paymaster.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

