Given a Transaction ID, TransactionLookup returns the following information:

For privacy reasons, this operation does not return information about the customer who purchased the items.

For example, to look up purchase details in a transaction with ID 002-7777777-7138425, you would submit the following request.

http://ecs.amazonaws.com/onca/xml?
Service=AWSECommerceService&
AWSAccessKeyId=[AWS Access Key ID]&
Operation=TransactionLookup&
TransactionId=002-7777777-7138425

In addition to returning price information, the request returns shipping details, as shown in the following excerpt from the full XML response.

<Shipments>
  <Shipment>
    <Condition>Shipped</Condition>
    <ShipmentItems>
      <TransactionItemId>jooloslsnpl</TransactionItemId>
    </ShipmentItems>
  </Shipment>
</Shipments>

The TransactionItemId element identifies a specific item in the purchase.