# Introduction

Zenlayer API is built based on the HTTP protocol, adhering to the OpenAPI specification. In the headers of this API site, you can click on a product to view the specific API details and code examples of each product.

Before you start using Zenlayer Cloud API, please read [API Calls](/api-reference/api-introduction/instruction.md) sections carefully. We provide standardized and comprehensive references with unified parameter style and public error codes, allowing you to easily and quickly access Zenlayer products. This will help you understand the content structure of this API site and the use rules of Zenlayer Cloud API.

You can click on a product to view the specific API details and code samples, or you can use the [SDK Tool Kit](/api-reference/api-introduction/toolkit/api-sdk.md) we provided to help you achieve quick access.

We will gradually enrich the APIs of each product so that all the services provided on Zenlayer Console can be implemented by calling API.

If you have any questions about using Zenlayer Cloud API, please contact Zenlayer Support.

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

<mark style="color:blue;">The new API references v2.0 only have the bare metal part for now, and references on more products are coming soon.</mark>
{% endhint %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.console.zenlayer.com/api-reference/api-introduction/readme.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.