See your transactional history with Famly, in the same way that the parents at your nursery see your invoices and logged payments.
Access this from the top right hand corner, by clicking on your photo/icon. You will see the option 'Invoicing':
You will be able to see your invoicing information i.e. address and email address associated. If you ever want to change this, please reach out to firstname.lastname@example.org