# Simple Application Server API Overview

Welcome to choose Simple Application Server (ULightHost). The API is suitable for scenarios where you can automatically manage and orchestrate cloud resources by writing programs.

## Usage Limitations

If your resource usage exceeds the quota limit, you can contact your account manager.

## Reading Guide

> ℹ️ If this is your first time using our API, please read [API Documentation Overview](/docs/api/summary/public) first.

Next, browse [ULightHost API Index](/docs/api/ulighthost-api), find the API you want to call, and choose the appropriate method to call it.