> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://doc.common-services.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Marketplaces > Amazon > Repricing > Parameters

Use this tab to configure your Amazon AWS API credentials and default shipping costs to enable automated repricing for your Amazon listings.

---

### API Settings

* **AWS KEY ID:** Enter your Amazon AWS Access Key ID.
* **AWS SECRET KEY:** Enter your Amazon AWS Secret Access Key.
* **Duplicate keys:** Enable this option to automatically apply these API keys across your other configured Amazon marketplaces.
* **Check Connectivity:** Click to test and validate your API connection. The button turns green once connection is successfully established.

---

### Shipping Settings

* **Default Override for Shipping Charges:** Enter a default shipping cost to be used in competitor price calculations during the repricing process.

---

### Obtaining Amazon AWS Credentials

1. Log in to your [Amazon AWS Console](https://aws.amazon.com/).
2. Navigate to **Security Credentials** > **Access Keys**.
3. Click **Create New Access Key** and copy both your **Access Key ID** and **Secret Access Key**.