> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hexclave.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SDK Overview

> The SDK reference for Hexclave's Next.js SDK.

This is the SDK reference for Hexclave's Next.js SDK.

<Info>
  For setup instructions and how to use the SDK, see [Setup & Installation](/guides/getting-started/setup). If you are using a framework or programming language other than Next.js, you can use [our REST API](/api/overview).
</Info>

## General

| Type                                                          | Description                                |
| ------------------------------------------------------------- | ------------------------------------------ |
| [HexclaveClientApp](/sdk/objects/hexclave-app#stackclientapp) | Client-level permissions for frontend code |
| [HexclaveServerApp](/sdk/objects/hexclave-app#stackserverapp) | Server-level permissions with full access  |
| [Project](/sdk/types/project#project)                         | Project configuration and settings         |

## Users & User Data

| Type                                                                    | Description                                       |
| ----------------------------------------------------------------------- | ------------------------------------------------- |
| [CurrentUser](/sdk/types/user#currentuser)                              | Client-side authenticated user                    |
| [ServerUser](/sdk/types/user#serveruser)                                | Server-side user with full access                 |
| [CurrentServerUser](/sdk/types/user#currentserveruser)                  | Current user with server permissions              |
| [ContactChannel](/sdk/types/contact-channel#contactchannel)             | User contact information (email, phone)           |
| [ServerContactChannel](/sdk/types/contact-channel#servercontactchannel) | Server-side contact channel with extended control |

## Teams

| Type                                                                    | Description                       |
| ----------------------------------------------------------------------- | --------------------------------- |
| [Team](/sdk/types/team#team)                                            | Team management and configuration |
| [ServerTeam](/sdk/types/team#serverteam)                                | Server-side team with full access |
| [TeamPermission](/sdk/types/team-permission#teampermission)             | Team-level permissions            |
| [ServerTeamPermission](/sdk/types/team-permission#serverteampermission) | Server-side team permissions      |
| [TeamUser](/sdk/types/team-user#teamuser)                               | Team membership representation    |
| [ServerTeamUser](/sdk/types/team-user#serverteamuser)                   | Server-side team user             |
| [TeamProfile](/sdk/types/team-profile#teamprofile)                      | Team-specific user profiles       |
| [ServerTeamProfile](/sdk/types/team-profile#serverteamprofile)          | Server-side team profiles         |

## Email

| Type                                                  | Description                 |
| ----------------------------------------------------- | --------------------------- |
| [SendEmailOptions](/sdk/types/email#sendemailoptions) | Email sending configuration |

## Payments & Items

| Type                                     | Description                                              |
| ---------------------------------------- | -------------------------------------------------------- |
| [Customer](/sdk/types/customer#customer) | Customer billing interface                               |
| [Item](/sdk/types/item#item)             | Client-side resource management                          |
| [ServerItem](/sdk/types/item#serveritem) | Server-side resource management with quantity operations |

## Hooks

| Hook                                          | Description                                         |
| --------------------------------------------- | --------------------------------------------------- |
| [useHexclaveApp](/sdk/hooks/use-hexclave-app) | React hook to access the HexclaveClientApp instance |
| [useUser](/sdk/hooks/use-user)                | React hook to access the current user               |

## API Keys

| Type                         | Description                                |
| ---------------------------- | ------------------------------------------ |
| [ApiKey](/sdk/types/api-key) | API key management for programmatic access |