To find your Rakuten API keys follow the steps:


1. Login to your RMS admin portal


2. Click on the following link (店舗様向け 情報・サービス --> 4 各種申請・設定変更) shown in the image below:



3. Scroll to the bottom and click on the following link (設定変更) as shown below:


4. The API key is found under ライセンスキー: