# Low-Level Infra

> Pages under Low-Level Infra in the Alchemy Docs.

## Pages

- [Overview](https://www.alchemy.com/docs/wallets/transactions/low-level-infra/overview.md): Raw EIP-4337 APIs for advanced developers
- [Quickstart](https://www.alchemy.com/docs/wallets/low-level-infra/quickstart.md): Get started with Wallet APIs infrastructure
- [API Endpoints](https://www.alchemy.com/docs/wallets/low-level-infra/gas-manager/policy-management/api-endpoints.md): The Gas Manager Admin API Endpoints allows you to programmatically manage your gas manager policies.
- [API Endpoints](https://www.alchemy.com/docs/wallets/low-level-infra/gas-manager/gas-sponsorship/api-endpoints.md): The Gas Sponsorship API Endpoints allows you to sponsor gas fees for your users, removing the biggest barrier to entry.
- [Basic Gas Sponsorship](https://www.alchemy.com/docs/wallets/low-level-infra/gas-manager/gas-sponsorship/using-sdk/basic-gas-sponsorship.md): The Gas Manager allows you to sponsor gas fees for your users on EVM networks, removing the biggest barrier to entry.
- [Conditional Gas Sponsorship](https://www.alchemy.com/docs/wallets/low-level-infra/gas-manager/gas-sponsorship/using-sdk/conditional-gas-sponsorship.md): Step-by-step guide to sponsor gas for select transactions and users.
- [Pay Gas with Any ERC20 Token](https://www.alchemy.com/docs/wallets/low-level-infra/gas-manager/gas-sponsorship/using-sdk/pay-gas-with-any-erc20-token.md): Learn how to enable gas payments with ERC-20 tokens.
- [Solana](https://www.alchemy.com/docs/wallets/transactions/solana/sponsor-gas.md): How to sponsor fees & rent on Solana
- [Bundler API](https://www.alchemy.com/docs/wallets/transactions/low-level-infra/bundler/overview.md)
- [API Endpoints](https://www.alchemy.com/docs/wallets/transactions/low-level-infra/bundler/overview/api-endpoints.md): The Bundler API Endpoints allow you to interact with the lowest level of the account abstraction stack, giving users full control over their User Operations.
- [Using SDK](https://www.alchemy.com/docs/wallets/transactions/low-level-infra/bundler/overview/using-sdk.md): Use viem's bundler client with @alchemy/aa-infra to interact with Alchemy's ERC-4337 bundler for advanced UserOperation management.
- [Bundler FAQs](https://www.alchemy.com/docs/wallets/reference/bundler-faqs.md): Frequently asked questions about the Bundler
- [Non-Alchemy chains](https://www.alchemy.com/docs/wallets/low-level-infra/third-party-infrastructure/chains.md): Learn how to run the v5 stack on a chain Alchemy doesn't support
- [Third Party Bundlers](https://www.alchemy.com/docs/wallets/low-level-infra/third-party-infrastructure/bundlers.md): Learn how to use a non-Alchemy bundler with the v5 stack
- [Third Party Paymasters](https://www.alchemy.com/docs/wallets/low-level-infra/third-party-infrastructure/paymasters.md): Learn how to use a non-Alchemy paymaster with the v5 stack
- [Choosing a Smart Account](https://www.alchemy.com/docs/wallets/smart-contracts/choosing-a-smart-account.md): Learn about different smart account implementations to use with Wallet APIs
- [Overview](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/overview.md): An overview of the Modular Account V2 smart account.
- [Getting started](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/getting-started.md): Getting started with Modular Account V2 in Wallet APIs
- [What are session keys?](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/session-keys.md): Learn what session keys are, why they exist, and how they enable secure delegation, automation, and streamlined UX in smart accounts.
- [Adding session keys](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/session-keys/adding-session-keys.md): Adding session keys to your Modular Account V2
- [Supported permissions](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/session-keys/session-key-permissions.md): Explore the supported permission types you can apply to session keys to safely delegate access in smart accounts.
- [Using session keys](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/session-keys/using-session-keys.md): Using session keys with your Modular Account V2
- [Removing session keys](https://www.alchemy.com/docs/wallets/smart-contracts/modular-account-v2/session-keys/removing-session-keys.md): Removing session keys from your Modular Account V2
- [Overview](https://www.alchemy.com/docs/wallets/smart-contracts/other-accounts/light-account.md): What is Light Account?
- [Getting started](https://www.alchemy.com/docs/wallets/smart-contracts/other-accounts/light-account/getting-started.md): Getting started with Light Account in Wallet APIs
- [Transfer ownership](https://www.alchemy.com/docs/wallets/smart-contracts/other-accounts/light-account/transfer-ownership-light-account.md): Transfer ownership of a LightAccount via Wallet APIs
- [Manage multiple owners](https://www.alchemy.com/docs/wallets/smart-contracts/other-accounts/light-account/multi-owner-light-account.md): Manage owners on a Multi-Owner Light Account
- [Third party](https://www.alchemy.com/docs/wallets/third-party/smart-contracts.md): Use smart account contracts not included in Wallet APIs
- [Deployed addresses](https://www.alchemy.com/docs/wallets/smart-contracts/deployed-addresses.md): Deployment addresses