---
title: "SDK Overview"
description: "The SDK reference for Hexclave's Next.js SDK."
sidebarTitle: "Overview"
---

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/stack-app#stackclientapp) | Client-level permissions for frontend code |
| [HexclaveServerApp](/sdk/objects/stack-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-stack-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 |
