Download Amazon Mp3 Purchase

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The In-App Purchasing (IAP) API allows your app to present, process, and fulfill purchases of digital content and subscriptions within your app. Amazon supports an IAP API for Android Apps and Web Apps. This page gives a high-level introduction to the IAP API.

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The IAP API handles details about purchase flow, payment processing, providing a receipt to your app, and managing rights to the purchasable content, so that you do not have to code these things yourself.

The Amazon Appstore plays an integral part of the IAP API workflow. Amazon runs the purchase workflow, starting when the customer decides to purchase an item and ending when Amazon provides the app either a receipt for the purchase or a status code, in the case of a failed purchase. You do not need to provide purchase dialogs, transaction timeout logic, or "Thank You" dialogs. The Amazon Appstore provides all of these pieces of a transaction.

Once a user initiates a purchase, the Amazon Appstore client app surfaces and presents an Amazon-branded user interface to complete the transaction. This app presents the user interface for all aspects of the purchase workflow:

If a purchase is unsuccessful, the Amazon Appstore presents the relevant messaging to the customer; your app should not message the customer. For example, if the customer does not have a valid credit card on file, the Amazon Appstore redirects the customer to a page where they can update their payment information. Do not provide a confirmation or other interstitial dialog to the customer regarding the purchase flow.

As you plan your IAP implementation, you will need to define what types of items your app will make available to its users. You will also need to determine how you want to deliver those purchased items. This section gives a brief introduction to the types of purchases supported by IAP.

Instantly available content is unlocked or otherwise made available to the customer upon purchase. Under this model, your app already has everything it needs for the customer to use the purchasable item immediately upon purchase. You can use all three types of purchasable items with this model.

A pending purchase is not immediately made available to the customer. Under this model, an additional step is required after the customer initiates the purchase and before your app can grant the purchase. Your app should not grant the purchase to the customer while it is still in the pending state. You can use consumables and entitlements with this model.

The difference between the pending purchase flow and the deliverable content flow is that your app calls enablePendingPurchases() on app create, and doesn't grant entitlements to the customer when it receives PurchaseResponse.RequestStatus.PENDING in onPurchaseResponse().

A SKU (technically a stock-keeping unit) is a unique identifier for each distinct purchasable item. It is unique to you (specifically your developer account registered on the developer portal), and is a (up to) 150-character length string of arbitrary structure that can contain the characters a-z, A-Z, 0-9, underscores, periods, and dashes, and is case sensitive. Purchasable items and SKUs have a 1:1 mapping. Your app will pass the SKU value via the PurchasingManager helper class to the client. The SKU is how the client knows what the customer is trying to purchase, and will manage the purchase flow accordingly.

You can use the Billing and Cost Management console to add purchase orders to use in your invoices. Adding apurchase order is a two-step process involving purchase orders and line itemconfigurations. First, you enter your purchase order details (for example, purchaseorder ID, shipping address, effective and expiration month). Then, you define thepurchase order line item configurations that are used to match the purchase order withan invoice. If you add multiple purchase orders, we use the purchase order that has theline item best matching the invoice being generated.

For Purchase order ID, enter a unique identifier for yourpurchase order ID. Purchase order IDs must be unique within your account. Fordetails about character restrictions for your purchase ID, see Purchase orders.

Remittance details are different for each Bill fromlocation. Be sure to verify your Bill from selection.You must make your payments to the legal entity that you're billed from. Wedon't recommend configuring more than one Bill fromlocation for a purchase order.

(Optional) If your purchase order is invoiced from the Amazon Web ServicesEMEA SARL billing entity: For Tax registrationnumber, select the tax registration numbers that you want toassociate with your purchase order. Your purchase order is associated with onlythe invoices generated for the tax registration numbers that you select.

For Effective month, choose the billing period when youwant your purchase order to start. Your purchase order is eligible for invoicesthat are associated with usage, starting from the billing period that youspecify.

For Expiration month, choose the billing period when youwant your purchase order to end. Your purchase order expires at the end of thespecified billing period. It's not used for invoices that are associated withusage after the billing period.

Note: Subscriptions in the US cannot be purchased on the Amazon marketplace app. If you're using a mobile device, you must use a browser such as Safari or Chrome when purchasing a subscription.