Invoice guide
How to invoice a client who pays through Airwallex
When a client pays through Airwallex, the invoice is doing more than asking for money. It is often the supporting document their finance team or the provider needs before the payment is released, so missing beneficiary details or a vague service line is how the transfer gets slowed down.
What the invoice has to do
Treat the invoice as a compliance document first and a request for payment second. The person approving it is checking who is being paid, what was supplied, which currency is owed, and whether the beneficiary details match the receiving account exactly.
That is why a generic invoice with one free-text bank box underperforms here. Cross-border payments usually need the beneficiary name as registered, the account number or IBAN in the format the provider expects, the SWIFT or BIC where relevant, and a payment reference the client can quote back to you.
The fields worth getting right the first time
Use a specific service description. 'Consulting services' is weak; 'June product design retainer' or 'Brand identity system and guidelines' gives the client's finance team something they can match against a purchase order or internal approval.
State the invoice currency explicitly. A dollar sign on its own is ambiguous across countries and payment providers. If you agreed USD, write USD. If you agreed GBP or EUR, write that instead and keep the beneficiary details aligned to the actual receiving account.
Include a payment reference, usually the invoice number, and tell the client to quote it on the transfer. Reconciliation is the hidden job every invoice has to do after the money moves.
When to use a cross-border template instead of a plain invoice
If the client is paying through Airwallex, Wise, Payoneer, or an international bank transfer, use a template built for cross-border payment instructions rather than a domestic service invoice. The difference is not visual polish; it is whether the payment block contains the fields the provider and finance team actually need.
Koridor's cross-border invoice template is the cleanest starting point when the payer needs a normal bank-style invoice. If both sides already agreed to settle in digital dollars, the digital-dollar template gives you a second option without forcing that choice onto the client for the first time in the invoice itself.
Questions people ask
What does Airwallex usually need on the invoice?
At minimum: who is billing, who is being billed, what was supplied, the amount and currency, and beneficiary details that match the receiving account exactly. Requirements can vary by country and account type, so treat your provider's instructions as authoritative.
Should I invoice in my currency or the client's currency?
Use whatever you agreed commercially. Invoicing in the client's currency often makes internal approval easier. Invoicing in yours makes the amount you expect clearer. The key is to state the currency explicitly and keep the receiving details aligned to that payment route.
Can I add a Koridor payment link to the same invoice?
Yes, but only if that payment method is already agreed. The invoice is the wrong moment to surprise a client with a new payment rail. Use the cross-border template when the client will pay by bank-style transfer, and the digital-dollar template when both sides already agreed to settle that way.