Difference between Two Code Scans for same branch

[Colin]

With regards to the API – check out this guide:

How to reverse engineer the Sonar Web API

Every action that is taken in the SonarQube / SonarCloud UI is driven by the Web API. There is nothing you can do in SonarQube / SonarCloud that you cannot do using the Web API. We put a great deal of effort into the UI and UX of our products and sincerely think that most actions should be completed there. Especially when it comes to viewing analysis results, the UI is the best place to view up-to-date information with the right context. We think it is much better that you give access…

With regards to the New Code Period – you can go to Project Settings > New Code to look at your options for setting the new code period.