Pixpa allows you to download your subscription invoices/receipts from customer portal only. You need to sign-up for this with your registered account email id. Click here to see your registered email id.
Please follow the following steps:
Go to customer portal and click on sign-up link.
Enter your registered Pixpa account email ID. Portal will send you a link to confirm your email id. Check your mail and verify the same.
Once you are done. You can login and check invoices, subscription plan, next renewal dates etc. and you can also download your invoices.