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

# Overview

## Architecture Diagram

Protocolink SDK/API allows developers to quickly build applications and enhance the user experience.

<figure><img src="/files/Q1itECbRINMUSgvgYsSL" alt=""><figcaption><p><strong>Logic:</strong> the above illustrates the actions performed during execution, such as approval, swap, supply, borrow, flash loans, and so on.</p></figcaption></figure>

## TypeScript SDK (Recommended)

Our SDK simplifies communication between APIs and DeFi/NFT smart contracts, allowing you to combine them to create diverse use cases within your interface.

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[Overview](/protocolink-sdk/overview.md)
{% endcontent-ref %}

## API

Our RESTful API provides comprehensive information and enables deeper and customized integrations.

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[Overview](/protocolink-api/overview.md)
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## Smart Contract

By directly integrating with our Smart Contract, you can meet more advanced and flexible application requirements.

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[Overview](/smart-contract/overview.md)
{% endcontent-ref %}