Apples developer site has shared news of a new API coming for apps that will offer expanded options for managing In-App Purchases. Its called the Advanced Commerce API, and heres what we know so far.Advanced Commerce API gives more flexibility to App Store developersHeres the official announcement:The AppStore facilitates billions of transactions annually to help developers grow their businesses and provide a world-class customer experience. To further support developers evolving business models such as exceptionally large content catalogs, creator experiences, and subscriptions with optional add-ons were introducing the AdvancedCommerceAPI.Developers can apply to use the AdvancedCommerceAPI to support eligible AppStore business models and more flexibly manage their In-App Purchases within their app. These purchases leverage the power of the trusted AppStore commerce system, including end-to-end payment processing, tax support, customer service, and more, so developers can focus on providing great app experiences.Apples announcement also includes a link where developers can learn more about eligibility requirements and the application process.As of the time Im publishing, however, that link is redirecting to Apples standard In-App Purchase page for developers. Initially, the link was broken altogether.Hopefully Apple will get the page up that contains more details soon. But for now, it sounds like Apple is expanding the ways that developers can manage In-App Purchases for their apps.Whatever the full details turn out to be, more options and greater flexibility seem like great changes no matter what.Are you a developer interested in using this new App Store API? Let us know in the comments.Best iPhone accessoriesAdd 9to5Mac to your Google News feed. FTC: We use income earning auto affiliate links. More.Youre reading 9to5Mac experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Dont know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel