Xapo does not display the transaction hash ID within the details of each transaction in your Xapo account. However you can find your transaction ID by using Blockchain. Follow the steps for more detailed instruction:
1. Go to https://www.blockchain.com/explorer
2. Search your BTC address in the search bar then look for the address you sent the BTC
3. Copy the transaction ID (highlighted below in red box)
4. Paste your transaction ID into the created Request ID and Click Verify Transaction ID.
Last Updated: 13 Jan 2019