Welcome to Microsoft Q&A!
First of all, the
Microsoft Store submission API could programmatically query and create submissions for apps, add-ons and package flights for your Partner Center account. This API is useful if your account manages many apps or add-ons, and you want to automate and optimize the submission process for these assets.
You could check this document about how to use it: Create and manage submissions.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.