If you have payed by creditcard, you can see and download your invoices via https://accounts.getopensocial.com
1. Login and click on 'see more', the button next to your platform:
2. You see the list of invoices/Receipts (or just 1, if you are on a yearly subscription):
3. To open a specific invoice, click on the date:
4. if you want to download it, click ' view PDF'.