Nexi Germany payouts are paid to your bank account, and you can track your payout history through your bank statements. The payout information shown on your bank statement also serves as your invoice.
Nexi Germany provides the following invoice information about your payouts directly via your bank statement:

Where can I get an overview of all card transactions?
Register with Nexi Germany to access an up-to-date online overview of your transactions — available 24/7, 365 days a year!
At https://login.nexi.de, you have access to all key information regarding your cashless payment processing — anytime, anywhere, and free of charge for you as an orderbird customer! This allows you to check your booking activities on a daily basis, export them as needed, and print them. Simple, fast, and convenient.
You don’t have access to https://login.nexi.de yet? Send us an email at supportmini@orderbird.com and we will get in touch with Nexi to send you the registration link!
By the way: You can request a retrospective overview of your transactions from Nexi Germany for a fee. Please contact Nexi Germany directly at serviceDE@nexigroup.com.