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

# TransferChain SDK

- [S4](https://docs.transferchain.io/transferchain-sdk/s4.md)
- [Core Concepts & Architecture](https://docs.transferchain.io/transferchain-sdk/s4/core-concepts-and-architecture.md): Full Technical Specification & Developer Integration Guide
- [Using TransferChain S4](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4.md): This guide provides step-by-step instructions on how to use the Transferchain S4 for initializing the client, managing your account, interacting with the blockchain, and handling storage.
- [Initialize](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/initialize.md)
- [Getting Started](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/getting-started.md)
- [Account](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/account.md): Account Initialize & Restore
- [Storage](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/storage.md): Manage storage commands to upload, download, and delete files from storage.
- [Transfer](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/transfer.md)
- [Blockchain](https://docs.transferchain.io/transferchain-sdk/s4/using-transferchain-s4/blockchain.md): Interact with the Transferchain Blockchain.
- [Authentication and Access Credentials](https://docs.transferchain.io/transferchain-sdk/s4/authentication-and-access-credentials.md)
- [Custom Storage Integration](https://docs.transferchain.io/transferchain-sdk/s4/custom-storage-integration.md): TransferChain S4 custom storage integration technical prerequisites and required inputs
- [About](https://docs.transferchain.io/transferchain-sdk/s4/about.md): TransferChain S4 Documentation