> For the complete documentation index, see [llms.txt](https://sdk.unlockd.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sdk.unlockd.finance/getting-started/sdk-modules.md).

# SDK Modules

- [Action Module](https://sdk.unlockd.finance/getting-started/sdk-modules/action-module.md): The Action module allows you to perform actions such as borrowing assets and repaying loans.
- [Auction Module](https://sdk.unlockd.finance/getting-started/sdk-modules/auction-module.md): The Auction module provides functionality for participating in auctions for NFT collateral.
- [Market Module](https://sdk.unlockd.finance/getting-started/sdk-modules/market-module.md): The Market module allows you to create, manage, and interact with market items.
- [Buy Now Module](https://sdk.unlockd.finance/getting-started/sdk-modules/buy-now-module.md): The Buy Now module allows you to buy assets instantly at a fixed price.
- [Sell Now Module](https://sdk.unlockd.finance/getting-started/sdk-modules/sell-now-module.md): The Sell Now module allows you to sell assets instantly at a fixed price.
- [Wallet Module](https://sdk.unlockd.finance/getting-started/sdk-modules/wallet-module.md): The Wallet module provides functionality for creating and managing Unlockd abstract wallets.
- [NFT Batch Transfer Module](https://sdk.unlockd.finance/getting-started/sdk-modules/nft-batch-transfer-module.md): The NFT Batch Transfer module allows you to send multiple NFTs to the Unlockd user wallet in a single transaction.