Assuming that you have not chosen to utilize reusable addresses, you can use our Txstat tool to view details about past exchanges.
Step One: Visit https://shapeshift.io/txstat/
Step Two: Paste your ShapeShift deposit address at the very end of the URL: https://shapeshift.io/txstat/PASTE-DEPOSIT-ADDRESS-HERE
Step Three: Press "enter" and view the details of your exchange!
You can view all of the most important details using this tool, including the status, the withdraw address, the amount, the type of coins involved in the exchange, and the TXID on the blockchain.
If you have any questions about using our tool, you can contact Customer Support.