You receive a response with the message "Webhook URL should contain same domain as account webhook URL" when attempting to process a transaction.
The top level domain in the URL you are sending in the
Verify that the transaction is posting to the intended account (by including the correct account ID or organisation ID plus currency code)
Ask APEXX Support to confirm the top level domain configured on the account
Ensure that the top level domains for webhook updates in API request and on the account match