Pimlico | Build with Smart Accounts

# Pimlico > Pimlico is the world's most popular account abstraction infrastructure platform ## Docs - [Migration from Stackup](/stackup-migration): This guide is intended for users migrating from Stackup to Pimlico - [Create API Key](/guides/create-api-key): To use Pimlico's services, you'll need an API key. We recommend using our CLI for the quickest setup, but you can also use the dashboard. - [Getting Started with Pimlico](/guides/getting-started): Welcome to Pimlico, the world's most advanced ERC-4337 account abstraction infrastructure platform. This guide will help you understand Pimlico's ecosystem and get you started with building applications using our tools and services. - [Pricing](/guides/pricing): Below is a comparison of the different pricing plans available for Pimlico. With Pimlico, you're able to launch without any upfront costs, and only pay for what you use with our pay-as-you-go plan, even for production applications with significant volume. We can also offer enterprise plans for users wishing to have a custom plan tailored to their needs. If you have any questions, please don't hesitate to [contact us through telegram](https://t.me/pimlicoHQ) or [through email](mailto:support@pimlico.io) - [Supported Chains](/guides/supported-chains): All API calls must use the JSON-RPC format and be sent to the following URL: - [Pimlico supports the following chains:](/guides/supported-chains): [https://api.pimlico.io/v2/8453/rpc?apikey=your\_api\_key\_here](https://api.pimlico.io/v2/8453/rpc?apikey=your_api_key_here) - [Boosted Paymaster](/guides/boosted-paymaster/use-boosted-paymaster): The Boosted paymaster is an offchain paymaster that offers faster execution times and cheaper gas fees due to requiring fewer RPC calls and requiring no paymaster data. - [Account Abstraction](/guides/conceptual/account-abstraction): Account abstraction is a feature that allows users to customize their Ethereum accounts with smart contract logic. It simplifies the account sy