Organizations who may receive funds by way of the Amazon Simple Pay donation button. Amazon Payments validates your 501(c)3 organization before you can begin using the donation button.

The account that enables you to use Amazon Simple Pay buttons on your production website.

The account that enables you to test Amazon Simple Pay buttons in the Amazon Payments Sandbox.

A string distributed by AWS that uniquely identifies an AWS developer.

The value of this ID is included in every Amazon Simple Pay request.

A person donating money by way of an Amazon Simple Pay donation button

A button that enables you to collect periodic payments for a 501c organization.

A button that enables you to collect payments on behalf of another seller.

A button that enables you to collect one-time payments for your products.

A button that enables you to collect periodic payments for your products.

Individual who sends a payment using an Amazon Simple Pay button.

The buyer pays the seller for a product or service.

Your Amazon Simple Pay buttons have the AbandonURL or CancelURL property which notifies Amazon Payments the location to which your customers should be returned if they choose to cancel the operation.

You can opt to have display your merchant logo on payment authorization pages hosted by Amazon, providing for a more consistent user experience.

Amazon Simple Pay uses Amazon Flexible Payments Service actions to perform its payment operations.

Most Actions, or API calls, provided by Amazon FPS are available to developers using Amazon Simple Pay. For more information see Amazon Simple Pay Advanced User Guide.

When you create a subscription button, you are prompted to optionally provide a starting subscription date. If that date is in the future, you are providing a free trial.

A block of HTML code that contains the endpoint and parameters for an Amazon Simple Pay request.

Hash Message Authentication Code.

Amazon Simple Pay uses an HMAC for signatures to enhance the security of your buttons.

An Amazon Simple Pay option for developers who want to create a custom final status page (bypassing the default final status page provided by Amazon Payments).

Button click or other form request to Amazon Payments

Also IPN. A notification (separate from the buyer redirect) that is sent whenever a payment, refund, or reserved payment completes successfully or fails. The developer must host this notification service and provide Amazon Simple Pay with an IPN response URL. For more information, see Notification through IPN.

See Amazon Simple Pay Marketplace, above.

A button that enables you to collect a fee from another seller for providing that seller's products for sale on your website. Used with Amazon Simple Pay Donation and Amazon Simple Pay Marketplace buttons.

Response from Amazon Payments to your Simple Pay application by way of Return URL or IPN.

Amazon Simple Pay uses RSA-SHA1 as the signature method for outbound notifications.

The act of returning funds paid by the customer to that customer. Amazon Simple Pay enables you to refund money using your account tools (at https://payments.amazon.com), or using the Amazon Flexible Payments Service Refund action.

Your Amazon Simple Pay buttons have the ReturnURL property which notifies Amazon Payments the location to which your customers should be returned after payments have been made.

Individual who receives a payment from a buyer using an Amazon Simple Pay button.

The seller receives money from a buyer in exchange for a service or product.

With Amazon Simple Pay, you can use server-side verification to validate IPN and Return URL responses with the FPS Action, VerifySignature. For information about the VerifySignature FPS action, see Amazon Simple Pay Advanced User Guide.

The act of delaying the completion of a transaction.

If a buyer is not charged immediately upon the initiation of the purchase, the transaction is settled later, such as when the purchased product is shipped. Amazon Simple Pay does not support settling purchases. You have to use the Settle operation in the Amazon Flexible Payments Service API to implement that functionality.

Secure Hash Algorithms used for Amazon Web Services signatures.

SHA1 is an earlier version of the algorithm, which is currently being deprecated for Amazon Web Services. SHA256 is its more secure replacement.

A URL encoded string composed of request parameters and their values encrypted using an HMAC algorithm.

Signatures are used to authenticate and safeguard requests.

Signature version 2 is the preferred button signing feature for Amazon Simple Pay. It is a secure method that uses SHA256.

The date when Amazon Payments begins charging for a subscription.

A developer who creates any Amazon Simple Pay button.