# 3. Check required info

Check information required for payment window integration and API call as follows:

1. Log in to [i'mport Admin console](https://admin.iamport.kr) -> Merchant account -> Select **My ID API Keys** 
2. Check your **Merchant ID/REST API Key/ REST API Secret**

{% hint style="danger" %}
Since this is **sensitive information** that can be used to **manipulate payment details**, take caution to protect it from unauthorized access.
{% endhint %}

![ Merchant account -> Select My ID API Keys](/files/CwE4GwxAJQzDzUlFIqBW)

![Check your Merchant ID/REST API Key/ REST API Secret](/files/ug6fwimFVIPGIYivIxwR)

{% tabs %}
{% tab title="Merchant ID" %}

* A **unique value assigned to each ChaiPort admin console account**.
* A unique code used to **initialize the object** when calling the payment window.
* Provide this ID when making a **technical inquiry** for a faster response.
  {% endtab %}

{% tab title="REST API Key" %}

* A value required to request an **access token** for an API call.
* Take **special care to protect it from unauthorized access**.
  {% endtab %}

{% tab title="REST API secret" %}

* A value required to request an **access token** for an API call.
* The value can be reissued, and periodic reissuance is recommended for enhanced security.
* Take **special care to protect it from unauthorized access**.
  {% endtab %}
  {% endtabs %}


---

# 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://portone.gitbook.io/docs-en/ready/3..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.