If you look in Microsoft DNS, you will see that the record is created.
You can see by the log tail that the update is successful.
Cloudflare's API exposes the entire Cloudflare infrastructure via a standardized programmatic interface.
Using Cloudflare's API, you can do just about anything you can do on via the customer dashboard.
Cloudflare offers public APIs with three audiences in mind.: Individuals and organizations all over the world choose Cloudflare to protect and accelerate their web applications.
Most customers manage their settings in the web dashboard, built using these APIs.