If you research for Rakuten point reselling but struggle to find good products — using a little IT skill can improve your Rakuten research dramatically. Looking at Rakuten Developers, you'll see there are many APIs. Among them, this article introduces how to use the "Rakuten Ichiba Item Search API," which is useful for Rakuten research. Signing in to Rakuten Developers Go to Rakuten Developers (https://webservice.rakuten.co.jp/) and sign in with your Rakuten member ID. Issui