# 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](https://2814812280-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhTv8JEzyM5h4cYcL5StH%2Fuploads%2FeaXP9LCYvDYkbdvpeXAP%2Fimage.png?alt=media\&token=80e48146-6fca-47f8-a3f2-79613fe22b52)

![Check your Merchant ID/REST API Key/ REST API Secret](https://2814812280-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhTv8JEzyM5h4cYcL5StH%2Fuploads%2FH3Kx9hNED4oFOxg3tqOD%2Fimage.png?alt=media\&token=c21020aa-dcad-42f5-82e0-508ec96f75b4)

{% 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 %}