Pimlico Paymaster

Alchemy Customer

Pimlico Paymaster

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

Transaction Fees

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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.

Sponsor gas and bundle user ops in your app or on your chain

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0xgasless

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0xgasless is an open-source SDK that lets developers build AI agents and gasless apps on EVM chains using ERC-4337 account abstraction.

Alchemy Bundler

Open-source ERC-4337 bundler written in Rust by Alchemy.

Kernel v2.1

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ERC-4337 smart contract account by Zerodev.

Coinbase Developer Platform

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Coinbase Developer Platform is a suite of APIs for embedded wallets, swaps, and on-ramps on EVM chains.

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Developer resources from Alchemy

Overview

Wallets

What are Paymasters? (ERC-4337)

Learn the Function of Paymaster Smart Contracts in ERC-4337

Blog

Technical

ERC-1271 signature replay vulnerability

On October 27th 2023, Alchemy discovered a ERC1271 contract signature replay vulnerability that affected a large number of smart contract accounts (SCA), and led to risks when interacting with several applications.

Case study

Wallets

How PlayAI built the Zapier of onchain AI with smart wallets

Seamless social logins and automated wallet management power 25,000+ users across 100+ AI-powered crypto workflows

Pimlico Paymaster alternatives

Explore web3 competitors and apps like Pimlico Paymaster.

Alchemy Gas Manager

Streamline your UX and remove gas fees for your users.

Biconomy Paymaster

Alchemy Customer

Biconomy Paymaster is an ERC-4337 compliant paymaster that abstracts gas complexities with flexible payment options.

Arka

Arka is an open-source ERC-4337 compliant paymaster service by Etherspot that enables sponsored and gasless transactions.

txSync

txSync is a developer and user toolkit for ZKsync that bundles a bridge, asset portal, paymaster builder (Tsuko), and SDKs in a single platform.

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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.

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